87489375

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 150889200

約数和(自身を除く): 63399825

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 625, 725, 1609, 1875, 2175, 3625, 4827, 8045, 10875, 18125, 24135, 40225, 46661, 54375, 120675, 139983, 201125, 233305, 603375, 699915, 1005625, 1166525, 3016875, 3499575, 5832625, 17497875, 29163125, 87489375]

約数ペア:

[(1, 87489375), (3, 29163125), (5, 17497875), (15, 5832625), (25, 3499575), (29, 3016875), (75, 1166525), (87, 1005625), (125, 699915), (145, 603375), (375, 233305), (435, 201125), (625, 139983), (725, 120675), (1609, 54375), (1875, 46661), (2175, 40225), (3625, 24135), (4827, 18125), (8045, 10875)]