61947207

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 110387200

約数和(自身を除く): 48439993

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 97, 109, 189, 217, 279, 291, 327, 651, 679, 763, 837, 873, 981, 1953, 2037, 2289, 2619, 2943, 3007, 3379, 5859, 6111, 6867, 9021, 10137, 10573, 18333, 20601, 21049, 23653, 27063, 30411, 31719, 63147, 70959, 74011, 81189, 91233, 95157, 189441, 212877, 222033, 285471, 327763, 568323, 638631, 666099, 983289, 1998297, 2294341, 2949867, 6883023, 8849601, 20649069, 61947207]

約数ペア:

[(1, 61947207), (3, 20649069), (7, 8849601), (9, 6883023), (21, 2949867), (27, 2294341), (31, 1998297), (63, 983289), (93, 666099), (97, 638631), (109, 568323), (189, 327763), (217, 285471), (279, 222033), (291, 212877), (327, 189441), (651, 95157), (679, 91233), (763, 81189), (837, 74011), (873, 70959), (981, 63147), (1953, 31719), (2037, 30411), (2289, 27063), (2619, 23653), (2943, 21049), (3007, 20601), (3379, 18333), (5859, 10573), (6111, 10137), (6867, 9021)]