15566187

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3043

約数の個数: 32

約数和(自身を含む): 26897920

約数和(自身を除く): 11331733

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3001, 5187, 9003, 21007, 39013, 57019, 63021, 117039, 171057, 273091, 399133, 741247, 819273, 1197399, 2223741, 5188729, 15566187]

約数ペア:

[(1, 15566187), (3, 5188729), (7, 2223741), (13, 1197399), (19, 819273), (21, 741247), (39, 399133), (57, 273091), (91, 171057), (133, 117039), (247, 63021), (273, 57019), (399, 39013), (741, 21007), (1729, 9003), (3001, 5187)]