28173825

素因数分解:

$3^4\times 5^2\times {\mathrm{13913}}^1$

素因数の和:13935

約数の個数: 30

約数和(自身を含む): 52191414

約数和(自身を除く): 24017589

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 13913, 41739, 69565, 125217, 208695, 347825, 375651, 626085, 1043475, 1126953, 1878255, 3130425, 5634765, 9391275, 28173825]

約数ペア:

[(1, 28173825), (3, 9391275), (5, 5634765), (9, 3130425), (15, 1878255), (25, 1126953), (27, 1043475), (45, 626085), (75, 375651), (81, 347825), (135, 208695), (225, 125217), (405, 69565), (675, 41739), (2025, 13913)]