2007005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 3241728

約数和(自身を除く): 1234723

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 401, 455, 715, 1001, 2005, 2807, 4411, 5005, 5213, 14035, 22055, 26065, 30877, 36491, 57343, 154385, 182455, 286715, 401401, 2007005]

約数ペア:

[(1, 2007005), (5, 401401), (7, 286715), (11, 182455), (13, 154385), (35, 57343), (55, 36491), (65, 30877), (77, 26065), (91, 22055), (143, 14035), (385, 5213), (401, 5005), (455, 4411), (715, 2807), (1001, 2005)]