91991475

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3121}}^1$

素因数の和:3268

約数の個数: 36

約数和(自身を含む): 166077912

約数和(自身を除く): 74086437

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 1179, 1965, 3121, 3275, 5895, 9363, 9825, 15605, 28089, 29475, 46815, 78025, 140445, 234075, 408851, 702225, 1226553, 2044255, 3679659, 6132765, 10221275, 18398295, 30663825, 91991475]

約数ペア:

[(1, 91991475), (3, 30663825), (5, 18398295), (9, 10221275), (15, 6132765), (25, 3679659), (45, 2044255), (75, 1226553), (131, 702225), (225, 408851), (393, 234075), (655, 140445), (1179, 78025), (1965, 46815), (3121, 29475), (3275, 28089), (5895, 15605), (9363, 9825)]