30198825

素因数分解:

$3^6\times 5^2\times {\mathrm{1657}}^1$

素因数の和:1685

約数の個数: 42

約数和(自身を含む): 56178014

約数和(自身を除く): 25979189

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 1657, 2025, 3645, 4971, 6075, 8285, 14913, 18225, 24855, 41425, 44739, 74565, 124275, 134217, 223695, 372825, 402651, 671085, 1118475, 1207953, 2013255, 3355425, 6039765, 10066275, 30198825]

約数ペア:

[(1, 30198825), (3, 10066275), (5, 6039765), (9, 3355425), (15, 2013255), (25, 1207953), (27, 1118475), (45, 671085), (75, 402651), (81, 372825), (135, 223695), (225, 134217), (243, 124275), (405, 74565), (675, 44739), (729, 41425), (1215, 24855), (1657, 18225), (2025, 14913), (3645, 8285), (4971, 6075)]