81363765

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4813}}^1$

素因数の和:4858

約数の個数: 48

約数和(自身を含む): 158053248

約数和(自身を除く): 76689483

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 2415, 3381, 4813, 5635, 14439, 16905, 24065, 33691, 72195, 101073, 110699, 168455, 235837, 332097, 505365, 553495, 707511, 774893, 1179185, 1660485, 2324679, 3537555, 3874465, 5424251, 11623395, 16272753, 27121255, 81363765]

約数ペア:

[(1, 81363765), (3, 27121255), (5, 16272753), (7, 11623395), (15, 5424251), (21, 3874465), (23, 3537555), (35, 2324679), (49, 1660485), (69, 1179185), (105, 774893), (115, 707511), (147, 553495), (161, 505365), (245, 332097), (345, 235837), (483, 168455), (735, 110699), (805, 101073), (1127, 72195), (2415, 33691), (3381, 24065), (4813, 16905), (5635, 14439)]