15251439

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 24136704

約数和(自身を除く): 8885265

約数列:

[1, 3, 7, 21, 53, 71, 159, 193, 213, 371, 497, 579, 1113, 1351, 1491, 3763, 4053, 10229, 11289, 13703, 26341, 30687, 41109, 71603, 79023, 95921, 214809, 287763, 726259, 2178777, 5083813, 15251439]

約数ペア:

[(1, 15251439), (3, 5083813), (7, 2178777), (21, 726259), (53, 287763), (71, 214809), (159, 95921), (193, 79023), (213, 71603), (371, 41109), (497, 30687), (579, 26341), (1113, 13703), (1351, 11289), (1491, 10229), (3763, 4053)]