61439715

素因数分解:

$3^4\times 5^1\times {\mathrm{151703}}^1$

素因数の和:151720

約数の個数: 20

約数和(自身を含む): 110137104

約数和(自身を除く): 48697389

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 151703, 455109, 758515, 1365327, 2275545, 4095981, 6826635, 12287943, 20479905, 61439715]

約数ペア:

[(1, 61439715), (3, 20479905), (5, 12287943), (9, 6826635), (15, 4095981), (27, 2275545), (45, 1365327), (81, 758515), (135, 455109), (405, 151703)]