20170541025

素因数分解:

$3^4\times 5^2\times {\mathrm{9960761}}^1$

素因数の和:9960783

約数の個数: 30

約数和(自身を含む): 37362818262

約数和(自身を除く): 17192277237

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9960761, 29882283, 49803805, 89646849, 149411415, 249019025, 268940547, 448234245, 747057075, 806821641, 1344702735, 2241171225, 4034108205, 6723513675, 20170541025]

約数ペア:

[(1, 20170541025), (3, 6723513675), (5, 4034108205), (9, 2241171225), (15, 1344702735), (25, 806821641), (27, 747057075), (45, 448234245), (75, 268940547), (81, 249019025), (135, 149411415), (225, 89646849), (405, 49803805), (675, 29882283), (2025, 9960761)]