15553221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4253}}^1$

素因数の和:4332

約数の個数: 16

約数和(自身を含む): 22052736

約数和(自身を除く): 6499515

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 4253, 12759, 97819, 225409, 293457, 676227, 5184407, 15553221]

約数ペア:

[(1, 15553221), (3, 5184407), (23, 676227), (53, 293457), (69, 225409), (159, 97819), (1219, 12759), (3657, 4253)]