138648237

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2659}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 228802560

約数和(自身を除く): 90154323

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 573, 1337, 2483, 2659, 4011, 7449, 7977, 17381, 18613, 34567, 52143, 55839, 103701, 241969, 507869, 725907, 1523607, 3555083, 6602297, 10665249, 19806891, 46216079, 138648237]

約数ペア:

[(1, 138648237), (3, 46216079), (7, 19806891), (13, 10665249), (21, 6602297), (39, 3555083), (91, 1523607), (191, 725907), (273, 507869), (573, 241969), (1337, 103701), (2483, 55839), (2659, 52143), (4011, 34567), (7449, 18613), (7977, 17381)]