206599005

素因数分解:

$3^4\times 5^1\times {\mathrm{510121}}^1$

素因数の和:510138

約数の個数: 20

約数和(自身を含む): 370348572

約数和(自身を除く): 163749567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 510121, 1530363, 2550605, 4591089, 7651815, 13773267, 22955445, 41319801, 68866335, 206599005]

約数ペア:

[(1, 206599005), (3, 68866335), (5, 41319801), (9, 22955445), (15, 13773267), (27, 7651815), (45, 4591089), (81, 2550605), (135, 1530363), (405, 510121)]