1720017

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 2730728

約数和(自身を除く): 1010711

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 241, 549, 723, 793, 2169, 2379, 3133, 7137, 9399, 14701, 28197, 44103, 132309, 191113, 573339, 1720017]

約数ペア:

[(1, 1720017), (3, 573339), (9, 191113), (13, 132309), (39, 44103), (61, 28197), (117, 14701), (183, 9399), (241, 7137), (549, 3133), (723, 2379), (793, 2169)]