71821755

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23131}}^1$

素因数の和:23168

約数の個数: 32

約数和(自身を含む): 133240320

約数和(自身を除く): 61418565

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 23131, 69393, 115655, 208179, 346965, 532013, 624537, 1040895, 1596039, 2660065, 3122685, 4788117, 7980195, 14364351, 23940585, 71821755]

約数ペア:

[(1, 71821755), (3, 23940585), (5, 14364351), (9, 7980195), (15, 4788117), (23, 3122685), (27, 2660065), (45, 1596039), (69, 1040895), (115, 624537), (135, 532013), (207, 346965), (345, 208179), (621, 115655), (1035, 69393), (3105, 23131)]