68581305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1987}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 130253760

約数和(自身を除く): 61672455

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 531, 585, 767, 885, 1987, 2301, 2655, 3835, 5961, 6903, 9935, 11505, 17883, 25831, 29805, 34515, 77493, 89415, 117233, 129155, 232479, 351699, 387465, 586165, 1055097, 1162395, 1524029, 1758495, 4572087, 5275485, 7620145, 13716261, 22860435, 68581305]

約数ペア:

[(1, 68581305), (3, 22860435), (5, 13716261), (9, 7620145), (13, 5275485), (15, 4572087), (39, 1758495), (45, 1524029), (59, 1162395), (65, 1055097), (117, 586165), (177, 387465), (195, 351699), (295, 232479), (531, 129155), (585, 117233), (767, 89415), (885, 77493), (1987, 34515), (2301, 29805), (2655, 25831), (3835, 17883), (5961, 11505), (6903, 9935)]