79209921

素因数分解:

$3^1\times 7^2\times {\mathrm{569}}^1\times {\mathrm{947}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 123202080

約数和(自身を除く): 43992159

約数列:

[1, 3, 7, 21, 49, 147, 569, 947, 1707, 2841, 3983, 6629, 11949, 19887, 27881, 46403, 83643, 139209, 538843, 1616529, 3771901, 11315703, 26403307, 79209921]

約数ペア:

[(1, 79209921), (3, 26403307), (7, 11315703), (21, 3771901), (49, 1616529), (147, 538843), (569, 139209), (947, 83643), (1707, 46403), (2841, 27881), (3983, 19887), (6629, 11949)]