49800015

素因数分解:

$3^4\times 5^1\times {\mathrm{122963}}^1$

素因数の和:122980

約数の個数: 20

約数和(自身を含む): 89271864

約数和(自身を除く): 39471849

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 122963, 368889, 614815, 1106667, 1844445, 3320001, 5533335, 9960003, 16600005, 49800015]

約数ペア:

[(1, 49800015), (3, 16600005), (5, 9960003), (9, 5533335), (15, 3320001), (27, 1844445), (45, 1106667), (81, 614815), (135, 368889), (405, 122963)]