15993205

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 19926720

約数和(自身を除く): 3933515

約数列:

[1, 5, 43, 73, 215, 365, 1019, 3139, 5095, 15695, 43817, 74387, 219085, 371935, 3198641, 15993205]

約数ペア:

[(1, 15993205), (5, 3198641), (43, 371935), (73, 219085), (215, 74387), (365, 43817), (1019, 15695), (3139, 5095)]