31871475

素因数分解:

$3^4\times 5^2\times {\mathrm{15739}}^1$

素因数の和:15761

約数の個数: 30

約数和(自身を含む): 59040740

約数和(自身を除く): 27169265

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 15739, 47217, 78695, 141651, 236085, 393475, 424953, 708255, 1180425, 1274859, 2124765, 3541275, 6374295, 10623825, 31871475]

約数ペア:

[(1, 31871475), (3, 10623825), (5, 6374295), (9, 3541275), (15, 2124765), (25, 1274859), (27, 1180425), (45, 708255), (75, 424953), (81, 393475), (135, 236085), (225, 141651), (405, 78695), (675, 47217), (2025, 15739)]