9905085

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 18263256

約数和(自身を除く): 8358171

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 661, 999, 1665, 1983, 2997, 3305, 4995, 5949, 9915, 14985, 17847, 24457, 29745, 53541, 73371, 89235, 122285, 220113, 267705, 366855, 660339, 1100565, 1981017, 3301695, 9905085]

約数ペア:

[(1, 9905085), (3, 3301695), (5, 1981017), (9, 1100565), (15, 660339), (27, 366855), (37, 267705), (45, 220113), (81, 122285), (111, 89235), (135, 73371), (185, 53541), (333, 29745), (405, 24457), (555, 17847), (661, 14985), (999, 9915), (1665, 5949), (1983, 4995), (2997, 3305)]