18878161725

素因数分解:

$3^4\times 5^2\times {\mathrm{9322549}}^1$

素因数の和:9322571

約数の個数: 30

約数和(自身を含む): 34968885050

約数和(自身を除く): 16090723325

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9322549, 27967647, 46612745, 83902941, 139838235, 233063725, 251708823, 419514705, 699191175, 755126469, 1258544115, 2097573525, 3775632345, 6292720575, 18878161725]

約数ペア:

[(1, 18878161725), (3, 6292720575), (5, 3775632345), (9, 2097573525), (15, 1258544115), (25, 755126469), (27, 699191175), (45, 419514705), (75, 251708823), (81, 233063725), (135, 139838235), (225, 83902941), (405, 46612745), (675, 27967647), (2025, 9322549)]