25771431

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 15562329

約数列:

[1, 3, 7, 21, 23, 69, 161, 229, 233, 483, 687, 699, 1603, 1631, 4809, 4893, 5267, 5359, 15801, 16077, 36869, 37513, 53357, 110607, 112539, 160071, 373499, 1120497, 1227211, 3681633, 8590477, 25771431]

約数ペア:

[(1, 25771431), (3, 8590477), (7, 3681633), (21, 1227211), (23, 1120497), (69, 373499), (161, 160071), (229, 112539), (233, 110607), (483, 53357), (687, 37513), (699, 36869), (1603, 16077), (1631, 15801), (4809, 5359), (4893, 5267)]