261736251

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{13217}}^1$

素因数の和:13291

約数の個数: 32

約数和(自身を含む): 426359808

約数和(自身を除く): 164623557

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 2829, 6601, 13217, 19803, 39651, 92519, 277557, 303991, 541897, 911973, 1625691, 2127937, 3793279, 6383811, 11379837, 12463631, 37390893, 87245417, 261736251]

約数ペア:

[(1, 261736251), (3, 87245417), (7, 37390893), (21, 12463631), (23, 11379837), (41, 6383811), (69, 3793279), (123, 2127937), (161, 1625691), (287, 911973), (483, 541897), (861, 303991), (943, 277557), (2829, 92519), (6601, 39651), (13217, 19803)]