16385625

素因数分解:

$3^3\times 5^4\times {\mathrm{971}}^1$

素因数の和:1000

約数の個数: 40

約数和(自身を含む): 30365280

約数和(自身を除く): 13979655

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 971, 1125, 1875, 2913, 3375, 4855, 5625, 8739, 14565, 16875, 24275, 26217, 43695, 72825, 121375, 131085, 218475, 364125, 606875, 655425, 1092375, 1820625, 3277125, 5461875, 16385625]

約数ペア:

[(1, 16385625), (3, 5461875), (5, 3277125), (9, 1820625), (15, 1092375), (25, 655425), (27, 606875), (45, 364125), (75, 218475), (125, 131085), (135, 121375), (225, 72825), (375, 43695), (625, 26217), (675, 24275), (971, 16875), (1125, 14565), (1875, 8739), (2913, 5625), (3375, 4855)]