77880465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 147620928

約数和(自身を除く): 69740463

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 585, 603, 871, 1005, 1987, 2613, 3015, 4355, 5961, 7839, 9935, 13065, 17883, 25831, 29805, 39195, 77493, 89415, 129155, 133129, 232479, 387465, 399387, 665645, 1162395, 1198161, 1730677, 1996935, 5192031, 5990805, 8653385, 15576093, 25960155, 77880465]

約数ペア:

[(1, 77880465), (3, 25960155), (5, 15576093), (9, 8653385), (13, 5990805), (15, 5192031), (39, 1996935), (45, 1730677), (65, 1198161), (67, 1162395), (117, 665645), (195, 399387), (201, 387465), (335, 232479), (585, 133129), (603, 129155), (871, 89415), (1005, 77493), (1987, 39195), (2613, 29805), (3015, 25831), (4355, 17883), (5961, 13065), (7839, 9935)]