6931197

素因数分解:

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

素因数の和:80

約数の個数: 72

約数和(自身を含む): 13351680

約数和(自身を除く): 6420483

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 49, 63, 91, 93, 117, 147, 169, 189, 217, 273, 279, 351, 403, 441, 507, 637, 651, 819, 837, 1183, 1209, 1323, 1519, 1521, 1911, 1953, 2457, 2821, 3549, 3627, 4557, 4563, 5239, 5733, 5859, 8281, 8463, 10647, 10881, 13671, 15717, 17199, 19747, 24843, 25389, 31941, 36673, 41013, 47151, 59241, 74529, 76167, 110019, 141453, 177723, 223587, 256711, 330057, 533169, 770133, 990171, 2310399, 6931197]

約数ペア:

[(1, 6931197), (3, 2310399), (7, 990171), (9, 770133), (13, 533169), (21, 330057), (27, 256711), (31, 223587), (39, 177723), (49, 141453), (63, 110019), (91, 76167), (93, 74529), (117, 59241), (147, 47151), (169, 41013), (189, 36673), (217, 31941), (273, 25389), (279, 24843), (351, 19747), (403, 17199), (441, 15717), (507, 13671), (637, 10881), (651, 10647), (819, 8463), (837, 8281), (1183, 5859), (1209, 5733), (1323, 5239), (1519, 4563), (1521, 4557), (1911, 3627), (1953, 3549), (2457, 2821)]