64693797

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 102144000

約数和(自身を除く): 37450203

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 599, 777, 973, 1797, 2919, 4193, 5143, 12579, 15429, 22163, 36001, 66489, 83261, 108003, 155141, 249783, 465423, 582827, 1748481, 3080657, 9241971, 21564599, 64693797]

約数ペア:

[(1, 64693797), (3, 21564599), (7, 9241971), (21, 3080657), (37, 1748481), (111, 582827), (139, 465423), (259, 249783), (417, 155141), (599, 108003), (777, 83261), (973, 66489), (1797, 36001), (2919, 22163), (4193, 15429), (5143, 12579)]