15189503

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 17821440

約数和(自身を除く): 2631937

約数列:

[1, 7, 67, 139, 233, 469, 973, 1631, 9313, 15611, 32387, 65191, 109277, 226709, 2169929, 15189503]

約数ペア:

[(1, 15189503), (7, 2169929), (67, 226709), (139, 109277), (233, 65191), (469, 32387), (973, 15611), (1631, 9313)]