3897985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{659}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 5797440

約数和(自身を除く): 1899455

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 659, 845, 1183, 3295, 4613, 5915, 8567, 23065, 42835, 59969, 111371, 299845, 556855, 779597, 3897985]

約数ペア:

[(1, 3897985), (5, 779597), (7, 556855), (13, 299845), (35, 111371), (65, 59969), (91, 42835), (169, 23065), (455, 8567), (659, 5915), (845, 4613), (1183, 3295)]