15903005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 20248704

約数和(自身を除く): 4345699

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2267, 7015, 11335, 52141, 138287, 260705, 691435, 3180601, 15903005]

約数ペア:

[(1, 15903005), (5, 3180601), (23, 691435), (61, 260705), (115, 138287), (305, 52141), (1403, 11335), (2267, 7015)]