78213849

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{10039}}^1$

素因数の和:10109

約数の個数: 24

約数和(自身を含む): 123612480

約数和(自身を除く): 45398631

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 10039, 30117, 70273, 210819, 491911, 532067, 1475733, 1596201, 3724469, 11173407, 26071283, 78213849]

約数ペア:

[(1, 78213849), (3, 26071283), (7, 11173407), (21, 3724469), (49, 1596201), (53, 1475733), (147, 532067), (159, 491911), (371, 210819), (1113, 70273), (2597, 30117), (7791, 10039)]