272405905

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 344209320

約数和(自身を除く): 71803415

約数列:

[1, 5, 23, 115, 181, 529, 569, 905, 2645, 2845, 4163, 13087, 20815, 65435, 95749, 102989, 301001, 478745, 514945, 1505005, 2368747, 11843735, 54481181, 272405905]

約数ペア:

[(1, 272405905), (5, 54481181), (23, 11843735), (115, 2368747), (181, 1505005), (529, 514945), (569, 478745), (905, 301001), (2645, 102989), (2845, 95749), (4163, 65435), (13087, 20815)]