15990075

素因数分解:

$3^3\times 5^2\times {\mathrm{23689}}^1$

素因数の和:23708

約数の個数: 24

約数和(自身を含む): 29375600

約数和(自身を除く): 13385525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 23689, 71067, 118445, 213201, 355335, 592225, 639603, 1066005, 1776675, 3198015, 5330025, 15990075]

約数ペア:

[(1, 15990075), (3, 5330025), (5, 3198015), (9, 1776675), (15, 1066005), (25, 639603), (27, 592225), (45, 355335), (75, 213201), (135, 118445), (225, 71067), (675, 23689)]