61312455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80147}}^1$

素因数の和:80175

約数の個数: 24

約数和(自身を含む): 112527792

約数和(自身を除く): 51215337

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 80147, 240441, 400735, 721323, 1202205, 1362499, 3606615, 4087497, 6812495, 12262491, 20437485, 61312455]

約数ペア:

[(1, 61312455), (3, 20437485), (5, 12262491), (9, 6812495), (15, 4087497), (17, 3606615), (45, 1362499), (51, 1202205), (85, 721323), (153, 400735), (255, 240441), (765, 80147)]