16559487

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 28887040

約数和(自身を除く): 12327553

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 139, 183, 217, 279, 417, 427, 549, 651, 973, 1251, 1281, 1891, 1953, 2919, 3843, 4309, 5673, 8479, 8757, 12927, 13237, 17019, 25437, 30163, 38781, 39711, 59353, 76311, 90489, 119133, 178059, 262849, 271467, 534177, 788547, 1839943, 2365641, 5519829, 16559487]

約数ペア:

[(1, 16559487), (3, 5519829), (7, 2365641), (9, 1839943), (21, 788547), (31, 534177), (61, 271467), (63, 262849), (93, 178059), (139, 119133), (183, 90489), (217, 76311), (279, 59353), (417, 39711), (427, 38781), (549, 30163), (651, 25437), (973, 17019), (1251, 13237), (1281, 12927), (1891, 8757), (1953, 8479), (2919, 5673), (3843, 4309)]