1721385

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 3144960

約数和(自身を除く): 1423575

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 311, 369, 615, 933, 1107, 1555, 1845, 2799, 4665, 5535, 8397, 12751, 13995, 38253, 41985, 63755, 114759, 191265, 344277, 573795, 1721385]

約数ペア:

[(1, 1721385), (3, 573795), (5, 344277), (9, 191265), (15, 114759), (27, 63755), (41, 41985), (45, 38253), (123, 13995), (135, 12751), (205, 8397), (311, 5535), (369, 4665), (615, 2799), (933, 1845), (1107, 1555)]