13089915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 24463296

約数和(自身を除く): 11373381

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 241, 255, 355, 639, 723, 765, 1065, 1205, 1207, 2169, 3195, 3615, 3621, 4097, 6035, 10845, 10863, 12291, 17111, 18105, 20485, 36873, 51333, 54315, 61455, 85555, 153999, 184365, 256665, 290887, 769995, 872661, 1454435, 2617983, 4363305, 13089915]

約数ペア:

[(1, 13089915), (3, 4363305), (5, 2617983), (9, 1454435), (15, 872661), (17, 769995), (45, 290887), (51, 256665), (71, 184365), (85, 153999), (153, 85555), (213, 61455), (241, 54315), (255, 51333), (355, 36873), (639, 20485), (723, 18105), (765, 17111), (1065, 12291), (1205, 10863), (1207, 10845), (2169, 6035), (3195, 4097), (3615, 3621)]