15987375

素因数分解:

$3^4\times 5^3\times {\mathrm{1579}}^1$

素因数の和:1606

約数の個数: 40

約数和(自身を含む): 29824080

約数和(自身を除く): 13836705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 1579, 2025, 3375, 4737, 7895, 10125, 14211, 23685, 39475, 42633, 71055, 118425, 127899, 197375, 213165, 355275, 592125, 639495, 1065825, 1776375, 3197475, 5329125, 15987375]

約数ペア:

[(1, 15987375), (3, 5329125), (5, 3197475), (9, 1776375), (15, 1065825), (25, 639495), (27, 592125), (45, 355275), (75, 213165), (81, 197375), (125, 127899), (135, 118425), (225, 71055), (375, 42633), (405, 39475), (675, 23685), (1125, 14211), (1579, 10125), (2025, 7895), (3375, 4737)]