121917978

素因数分解:

$2^1\times 3^2\times 7^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 342590976

約数和(自身を除く): 220672998

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 49, 62, 63, 78, 91, 93, 98, 117, 126, 147, 182, 186, 217, 234, 273, 279, 294, 343, 403, 434, 441, 546, 558, 637, 651, 686, 806, 819, 882, 1029, 1209, 1274, 1302, 1519, 1638, 1911, 1953, 2058, 2401, 2418, 2821, 3038, 3087, 3627, 3822, 3906, 4459, 4557, 4802, 5642, 5733, 6174, 7203, 7254, 8463, 8918, 9114, 10633, 11466, 13377, 13671, 14406, 16807, 16926, 19747, 21266, 21609, 25389, 26754, 27342, 31213, 31899, 33614, 39494, 40131, 43218, 50421, 50778, 59241, 62426, 63798, 74431, 80262, 93639, 95697, 100842, 118482, 138229, 148862, 151263, 177723, 187278, 191394, 218491, 223293, 276458, 280917, 302526, 355446, 414687, 436982, 446586, 521017, 561834, 655473, 669879, 829374, 967603, 1042034, 1244061, 1310946, 1339758, 1563051, 1935206, 1966419, 2488122, 2902809, 3126102, 3932838, 4689153, 5805618, 6773221, 8708427, 9378306, 13546442, 17416854, 20319663, 40639326, 60958989, 121917978]

約数ペア:

[(1, 121917978), (2, 60958989), (3, 40639326), (6, 20319663), (7, 17416854), (9, 13546442), (13, 9378306), (14, 8708427), (18, 6773221), (21, 5805618), (26, 4689153), (31, 3932838), (39, 3126102), (42, 2902809), (49, 2488122), (62, 1966419), (63, 1935206), (78, 1563051), (91, 1339758), (93, 1310946), (98, 1244061), (117, 1042034), (126, 967603), (147, 829374), (182, 669879), (186, 655473), (217, 561834), (234, 521017), (273, 446586), (279, 436982), (294, 414687), (343, 355446), (403, 302526), (434, 280917), (441, 276458), (546, 223293), (558, 218491), (637, 191394), (651, 187278), (686, 177723), (806, 151263), (819, 148862), (882, 138229), (1029, 118482), (1209, 100842), (1274, 95697), (1302, 93639), (1519, 80262), (1638, 74431), (1911, 63798), (1953, 62426), (2058, 59241), (2401, 50778), (2418, 50421), (2821, 43218), (3038, 40131), (3087, 39494), (3627, 33614), (3822, 31899), (3906, 31213), (4459, 27342), (4557, 26754), (4802, 25389), (5642, 21609), (5733, 21266), (6174, 19747), (7203, 16926), (7254, 16807), (8463, 14406), (8918, 13671), (9114, 13377), (10633, 11466)]