12019815

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3659}}^1$

素因数の和:3743

約数の個数: 24

約数和(自身を含む): 21125520

約数和(自身を除く): 9105705

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 3659, 10977, 18295, 32931, 54885, 164655, 267107, 801321, 1335535, 2403963, 4006605, 12019815]

約数ペア:

[(1, 12019815), (3, 4006605), (5, 2403963), (9, 1335535), (15, 801321), (45, 267107), (73, 164655), (219, 54885), (365, 32931), (657, 18295), (1095, 10977), (3285, 3659)]