15531999

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 25320960

約数和(自身を除く): 9788961

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 313, 357, 417, 939, 973, 2191, 2363, 2919, 5321, 6573, 7089, 15963, 16541, 37247, 43507, 49623, 111741, 130521, 304549, 739619, 913647, 2218857, 5177333, 15531999]

約数ペア:

[(1, 15531999), (3, 5177333), (7, 2218857), (17, 913647), (21, 739619), (51, 304549), (119, 130521), (139, 111741), (313, 49623), (357, 43507), (417, 37247), (939, 16541), (973, 15963), (2191, 7089), (2363, 6573), (2919, 5321)]