7813905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 14929920

約数和(自身を除く): 7116015

約数列:

[1, 3, 5, 11, 15, 23, 29, 33, 55, 69, 71, 87, 115, 145, 165, 213, 253, 319, 345, 355, 435, 667, 759, 781, 957, 1065, 1265, 1595, 1633, 2001, 2059, 2343, 3335, 3795, 3905, 4785, 4899, 6177, 7337, 8165, 10005, 10295, 11715, 17963, 22011, 22649, 24495, 30885, 36685, 47357, 53889, 67947, 89815, 110055, 113245, 142071, 236785, 269445, 339735, 520927, 710355, 1562781, 2604635, 7813905]

約数ペア:

[(1, 7813905), (3, 2604635), (5, 1562781), (11, 710355), (15, 520927), (23, 339735), (29, 269445), (33, 236785), (55, 142071), (69, 113245), (71, 110055), (87, 89815), (115, 67947), (145, 53889), (165, 47357), (213, 36685), (253, 30885), (319, 24495), (345, 22649), (355, 22011), (435, 17963), (667, 11715), (759, 10295), (781, 10005), (957, 8165), (1065, 7337), (1265, 6177), (1595, 4899), (1633, 4785), (2001, 3905), (2059, 3795), (2343, 3335)]