210324825

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21739}}^1$

素因数の和:21798

約数の個数: 36

約数和(自身を含む): 385493680

約数和(自身を除く): 175168855

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 9675, 21739, 65217, 108695, 195651, 326085, 543475, 934777, 978255, 1630425, 2804331, 4673885, 4891275, 8412993, 14021655, 23369425, 42064965, 70108275, 210324825]

約数ペア:

[(1, 210324825), (3, 70108275), (5, 42064965), (9, 23369425), (15, 14021655), (25, 8412993), (43, 4891275), (45, 4673885), (75, 2804331), (129, 1630425), (215, 978255), (225, 934777), (387, 543475), (645, 326085), (1075, 195651), (1935, 108695), (3225, 65217), (9675, 21739)]