251151513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 363536640

約数和(自身を除く): 112385127

約数列:

[1, 3, 23, 29, 69, 87, 313, 401, 667, 939, 1203, 2001, 7199, 9077, 9223, 11629, 21597, 27231, 27669, 34887, 125513, 208771, 267467, 376539, 626313, 802401, 2886799, 3639877, 8660397, 10919631, 83717171, 251151513]

約数ペア:

[(1, 251151513), (3, 83717171), (23, 10919631), (29, 8660397), (69, 3639877), (87, 2886799), (313, 802401), (401, 626313), (667, 376539), (939, 267467), (1203, 208771), (2001, 125513), (7199, 34887), (9077, 27669), (9223, 27231), (11629, 21597)]