1904715

素因数分解:

$3^4\times 5^1\times {\mathrm{4703}}^1$

素因数の和:4720

約数の個数: 20

約数和(自身を含む): 3415104

約数和(自身を除く): 1510389

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4703, 14109, 23515, 42327, 70545, 126981, 211635, 380943, 634905, 1904715]

約数ペア:

[(1, 1904715), (3, 634905), (5, 380943), (9, 211635), (15, 126981), (27, 70545), (45, 42327), (81, 23515), (135, 14109), (405, 4703)]