315121345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1667}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 472697856

約数和(自身を除く): 157576511

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 491, 1667, 2455, 3437, 5401, 8335, 11669, 17185, 18337, 27005, 37807, 58345, 91685, 128359, 189035, 641795, 818497, 4092485, 5729479, 9003467, 28647395, 45017335, 63024269, 315121345]

約数ペア:

[(1, 315121345), (5, 63024269), (7, 45017335), (11, 28647395), (35, 9003467), (55, 5729479), (77, 4092485), (385, 818497), (491, 641795), (1667, 189035), (2455, 128359), (3437, 91685), (5401, 58345), (8335, 37807), (11669, 27005), (17185, 18337)]