29131821

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 43257240

約数和(自身を除く): 14125419

約数列:

[1, 3, 9, 53, 157, 159, 389, 471, 477, 1167, 1413, 3501, 8321, 20617, 24963, 61073, 61851, 74889, 183219, 185553, 549657, 3236869, 9710607, 29131821]

約数ペア:

[(1, 29131821), (3, 9710607), (9, 3236869), (53, 549657), (157, 185553), (159, 183219), (389, 74889), (471, 61851), (477, 61073), (1167, 24963), (1413, 20617), (3501, 8321)]