81468558

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 110132082

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 41, 54, 62, 82, 93, 123, 186, 246, 279, 369, 558, 738, 837, 1107, 1187, 1271, 1674, 2214, 2374, 2542, 3561, 3813, 7122, 7626, 10683, 11439, 21366, 22878, 32049, 34317, 36797, 48667, 64098, 68634, 73594, 97334, 110391, 146001, 220782, 292002, 331173, 438003, 662346, 876006, 993519, 1314009, 1508677, 1987038, 2628018, 3017354, 4526031, 9052062, 13578093, 27156186, 40734279, 81468558]

約数ペア:

[(1, 81468558), (2, 40734279), (3, 27156186), (6, 13578093), (9, 9052062), (18, 4526031), (27, 3017354), (31, 2628018), (41, 1987038), (54, 1508677), (62, 1314009), (82, 993519), (93, 876006), (123, 662346), (186, 438003), (246, 331173), (279, 292002), (369, 220782), (558, 146001), (738, 110391), (837, 97334), (1107, 73594), (1187, 68634), (1271, 64098), (1674, 48667), (2214, 36797), (2374, 34317), (2542, 32049), (3561, 22878), (3813, 21366), (7122, 11439), (7626, 10683)]