17294715

素因数分解:

$3^4\times 5^1\times {\mathrm{42703}}^1$

素因数の和:42720

約数の個数: 20

約数和(自身を含む): 31003104

約数和(自身を除く): 13708389

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 42703, 128109, 213515, 384327, 640545, 1152981, 1921635, 3458943, 5764905, 17294715]

約数ペア:

[(1, 17294715), (3, 5764905), (5, 3458943), (9, 1921635), (15, 1152981), (27, 640545), (45, 384327), (81, 213515), (135, 128109), (405, 42703)]