251391276

素因数分解:

$2^2\times 3^9\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 687791104

約数和(自身を除く): 436399828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 103, 108, 124, 162, 186, 206, 243, 279, 309, 324, 372, 412, 486, 558, 618, 729, 837, 927, 972, 1116, 1236, 1458, 1674, 1854, 2187, 2511, 2781, 2916, 3193, 3348, 3708, 4374, 5022, 5562, 6386, 6561, 7533, 8343, 8748, 9579, 10044, 11124, 12772, 13122, 15066, 16686, 19158, 19683, 22599, 25029, 26244, 28737, 30132, 33372, 38316, 39366, 45198, 50058, 57474, 67797, 75087, 78732, 86211, 90396, 100116, 114948, 135594, 150174, 172422, 203391, 225261, 258633, 271188, 300348, 344844, 406782, 450522, 517266, 610173, 675783, 775899, 813564, 901044, 1034532, 1220346, 1351566, 1551798, 2027349, 2327697, 2440692, 2703132, 3103596, 4054698, 4655394, 6983091, 8109396, 9310788, 13966182, 20949273, 27932364, 41898546, 62847819, 83797092, 125695638, 251391276]

約数ペア:

[(1, 251391276), (2, 125695638), (3, 83797092), (4, 62847819), (6, 41898546), (9, 27932364), (12, 20949273), (18, 13966182), (27, 9310788), (31, 8109396), (36, 6983091), (54, 4655394), (62, 4054698), (81, 3103596), (93, 2703132), (103, 2440692), (108, 2327697), (124, 2027349), (162, 1551798), (186, 1351566), (206, 1220346), (243, 1034532), (279, 901044), (309, 813564), (324, 775899), (372, 675783), (412, 610173), (486, 517266), (558, 450522), (618, 406782), (729, 344844), (837, 300348), (927, 271188), (972, 258633), (1116, 225261), (1236, 203391), (1458, 172422), (1674, 150174), (1854, 135594), (2187, 114948), (2511, 100116), (2781, 90396), (2916, 86211), (3193, 78732), (3348, 75087), (3708, 67797), (4374, 57474), (5022, 50058), (5562, 45198), (6386, 39366), (6561, 38316), (7533, 33372), (8343, 30132), (8748, 28737), (9579, 26244), (10044, 25029), (11124, 22599), (12772, 19683), (13122, 19158), (15066, 16686)]