18122125

素因数分解:

$5^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 26208000

約数和(自身を除く): 8085875

約数列:

[1, 5, 7, 25, 35, 125, 139, 149, 175, 695, 745, 875, 973, 1043, 3475, 3725, 4865, 5215, 17375, 18625, 20711, 24325, 26075, 103555, 121625, 130375, 144977, 517775, 724885, 2588875, 3624425, 18122125]

約数ペア:

[(1, 18122125), (5, 3624425), (7, 2588875), (25, 724885), (35, 517775), (125, 144977), (139, 130375), (149, 121625), (175, 103555), (695, 26075), (745, 24325), (875, 20711), (973, 18625), (1043, 17375), (3475, 5215), (3725, 4865)]