1561681557

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{167329}}^1$

素因数の和:167413

約数の個数: 24

約数和(自身を含む): 2427623640

約数和(自身を除く): 865942083

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 3111, 9333, 167329, 501987, 1505961, 2844593, 8533779, 10207069, 25601337, 30621207, 91863621, 173520173, 520560519, 1561681557]

約数ペア:

[(1, 1561681557), (3, 520560519), (9, 173520173), (17, 91863621), (51, 30621207), (61, 25601337), (153, 10207069), (183, 8533779), (549, 2844593), (1037, 1505961), (3111, 501987), (9333, 167329)]