81018075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 142062336

約数和(自身を除く): 61044261

約数列:

[1, 3, 5, 15, 23, 25, 67, 69, 75, 115, 201, 335, 345, 575, 701, 1005, 1541, 1675, 1725, 2103, 3505, 4623, 5025, 7705, 10515, 16123, 17525, 23115, 38525, 46967, 48369, 52575, 80615, 115575, 140901, 234835, 241845, 403075, 704505, 1080241, 1174175, 1209225, 3240723, 3522525, 5401205, 16203615, 27006025, 81018075]

約数ペア:

[(1, 81018075), (3, 27006025), (5, 16203615), (15, 5401205), (23, 3522525), (25, 3240723), (67, 1209225), (69, 1174175), (75, 1080241), (115, 704505), (201, 403075), (335, 241845), (345, 234835), (575, 140901), (701, 115575), (1005, 80615), (1541, 52575), (1675, 48369), (1725, 46967), (2103, 38525), (3505, 23115), (4623, 17525), (5025, 16123), (7705, 10515)]