87918909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2011}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 135206400

約数和(自身を除く): 47287491

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 741, 767, 1121, 2011, 2301, 3363, 6033, 14573, 26143, 38209, 43719, 78429, 114627, 118649, 355947, 496717, 1490151, 1542437, 2254331, 4627311, 6762993, 29306303, 87918909]

約数ペア:

[(1, 87918909), (3, 29306303), (13, 6762993), (19, 4627311), (39, 2254331), (57, 1542437), (59, 1490151), (177, 496717), (247, 355947), (741, 118649), (767, 114627), (1121, 78429), (2011, 43719), (2301, 38209), (3363, 26143), (6033, 14573)]