18271395

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2347}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 31867056

約数和(自身を除く): 13595661

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2347, 2595, 7041, 7785, 11735, 21123, 35205, 105615, 406031, 1218093, 2030155, 3654279, 6090465, 18271395]

約数ペア:

[(1, 18271395), (3, 6090465), (5, 3654279), (9, 2030155), (15, 1218093), (45, 406031), (173, 105615), (519, 35205), (865, 21123), (1557, 11735), (2347, 7785), (2595, 7041)]