31490109

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9431}}^1$

素因数の和:9497

約数の個数: 24

約数和(自身を含む): 52970112

約数和(自身を除く): 21480003

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 9431, 28293, 66017, 84879, 198051, 499843, 594153, 1499529, 3498901, 4498587, 10496703, 31490109]

約数ペア:

[(1, 31490109), (3, 10496703), (7, 4498587), (9, 3498901), (21, 1499529), (53, 594153), (63, 499843), (159, 198051), (371, 84879), (477, 66017), (1113, 28293), (3339, 9431)]