20151579

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 33232896

約数和(自身を除く): 13081317

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1201, 2397, 3603, 5593, 8407, 16779, 20417, 25221, 56447, 61251, 142919, 169341, 395129, 428757, 959599, 1185387, 2878797, 6717193, 20151579]

約数ペア:

[(1, 20151579), (3, 6717193), (7, 2878797), (17, 1185387), (21, 959599), (47, 428757), (51, 395129), (119, 169341), (141, 142919), (329, 61251), (357, 56447), (799, 25221), (987, 20417), (1201, 16779), (2397, 8407), (3603, 5593)]