31193895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 53265600

約数和(自身を除く): 22071705

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 821, 2235, 2463, 2533, 4105, 7599, 12315, 12665, 13957, 37995, 41871, 69785, 122329, 209355, 366987, 611645, 1834935, 2079593, 6238779, 10397965, 31193895]

約数ペア:

[(1, 31193895), (3, 10397965), (5, 6238779), (15, 2079593), (17, 1834935), (51, 611645), (85, 366987), (149, 209355), (255, 122329), (447, 69785), (745, 41871), (821, 37995), (2235, 13957), (2463, 12665), (2533, 12315), (4105, 7599)]