31288545

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1021}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 55923840

約数和(自身を除く): 24635295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 681, 1021, 1135, 2043, 3063, 3405, 5105, 6129, 9189, 10215, 15315, 27567, 30645, 45945, 137835, 231767, 695301, 1158835, 2085903, 3476505, 6257709, 10429515, 31288545]

約数ペア:

[(1, 31288545), (3, 10429515), (5, 6257709), (9, 3476505), (15, 2085903), (27, 1158835), (45, 695301), (135, 231767), (227, 137835), (681, 45945), (1021, 30645), (1135, 27567), (2043, 15315), (3063, 10215), (3405, 9189), (5105, 6129)]