30939375

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 53420400

約数和(自身を除く): 22481025

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 569, 625, 725, 1707, 1875, 2175, 2845, 3625, 8535, 10875, 14225, 16501, 18125, 42675, 49503, 54375, 71125, 82505, 213375, 247515, 355625, 412525, 1066875, 1237575, 2062625, 6187875, 10313125, 30939375]

約数ペア:

[(1, 30939375), (3, 10313125), (5, 6187875), (15, 2062625), (25, 1237575), (29, 1066875), (75, 412525), (87, 355625), (125, 247515), (145, 213375), (375, 82505), (435, 71125), (569, 54375), (625, 49503), (725, 42675), (1707, 18125), (1875, 16501), (2175, 14225), (2845, 10875), (3625, 8535)]