20116521

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 29896776

約数和(自身を除く): 9780255

約数列:

[1, 3, 9, 53, 159, 181, 233, 477, 543, 699, 1629, 2097, 9593, 12349, 28779, 37047, 42173, 86337, 111141, 126519, 379557, 2235169, 6705507, 20116521]

約数ペア:

[(1, 20116521), (3, 6705507), (9, 2235169), (53, 379557), (159, 126519), (181, 111141), (233, 86337), (477, 42173), (543, 37047), (699, 28779), (1629, 12349), (2097, 9593)]