29994939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 19974981

約数列:

[1, 3, 9, 13, 19, 39, 57, 103, 117, 131, 171, 247, 309, 393, 741, 927, 1179, 1339, 1703, 1957, 2223, 2489, 4017, 5109, 5871, 7467, 12051, 13493, 15327, 17613, 22401, 25441, 32357, 40479, 76323, 97071, 121437, 175409, 228969, 256367, 291213, 526227, 769101, 1578681, 2307303, 3332771, 9998313, 29994939]

約数ペア:

[(1, 29994939), (3, 9998313), (9, 3332771), (13, 2307303), (19, 1578681), (39, 769101), (57, 526227), (103, 291213), (117, 256367), (131, 228969), (171, 175409), (247, 121437), (309, 97071), (393, 76323), (741, 40479), (927, 32357), (1179, 25441), (1339, 22401), (1703, 17613), (1957, 15327), (2223, 13493), (2489, 12051), (4017, 7467), (5109, 5871)]