351639681

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 490520448

約数和(自身を除く): 138880767

約数列:

[1, 3, 43, 101, 129, 137, 197, 303, 411, 591, 4343, 5891, 8471, 13029, 13837, 17673, 19897, 25413, 26989, 41511, 59691, 80967, 594991, 855571, 1160527, 1784973, 2566713, 2725889, 3481581, 8177667, 117213227, 351639681]

約数ペア:

[(1, 351639681), (3, 117213227), (43, 8177667), (101, 3481581), (129, 2725889), (137, 2566713), (197, 1784973), (303, 1160527), (411, 855571), (591, 594991), (4343, 80967), (5891, 59691), (8471, 41511), (13029, 26989), (13837, 25413), (17673, 19897)]