201557691

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{1297}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 301302144

約数和(自身を除く): 99744453

約数列:

[1, 3, 9, 31, 93, 279, 557, 1297, 1671, 3891, 5013, 11673, 17267, 40207, 51801, 120621, 155403, 361863, 722429, 2167287, 6501861, 22395299, 67185897, 201557691]

約数ペア:

[(1, 201557691), (3, 67185897), (9, 22395299), (31, 6501861), (93, 2167287), (279, 722429), (557, 361863), (1297, 155403), (1671, 120621), (3891, 51801), (5013, 40207), (11673, 17267)]