17996175

素因数分解:

$3^4\times 5^2\times {\mathrm{8887}}^1$

素因数の和:8909

約数の個数: 30

約数和(自身を含む): 33338888

約数和(自身を除く): 15342713

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8887, 26661, 44435, 79983, 133305, 222175, 239949, 399915, 666525, 719847, 1199745, 1999575, 3599235, 5998725, 17996175]

約数ペア:

[(1, 17996175), (3, 5998725), (5, 3599235), (9, 1999575), (15, 1199745), (25, 719847), (27, 666525), (45, 399915), (75, 239949), (81, 222175), (135, 133305), (225, 79983), (405, 44435), (675, 26661), (2025, 8887)]