1377215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 2011680

約数和(自身を除く): 634465

約数列:

[1, 5, 7, 19, 35, 95, 109, 133, 361, 545, 665, 763, 1805, 2071, 2527, 3815, 10355, 12635, 14497, 39349, 72485, 196745, 275443, 1377215]

約数ペア:

[(1, 1377215), (5, 275443), (7, 196745), (19, 72485), (35, 39349), (95, 14497), (109, 12635), (133, 10355), (361, 3815), (545, 2527), (665, 2071), (763, 1805)]