68342145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6481}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 118231680

約数和(自身を除く): 49889535

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 3515, 6481, 10545, 19443, 32405, 97215, 123139, 239797, 369417, 615695, 719391, 1198985, 1847085, 3596955, 4556143, 13668429, 22780715, 68342145]

約数ペア:

[(1, 68342145), (3, 22780715), (5, 13668429), (15, 4556143), (19, 3596955), (37, 1847085), (57, 1198985), (95, 719391), (111, 615695), (185, 369417), (285, 239797), (555, 123139), (703, 97215), (2109, 32405), (3515, 19443), (6481, 10545)]