128545515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{136027}}^1$

素因数の和:136048

約数の個数: 32

約数和(自身を含む): 261173760

約数和(自身を除く): 132628245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 136027, 408081, 680135, 952189, 1224243, 2040405, 2856567, 3672729, 4760945, 6121215, 8569701, 14282835, 18363645, 25709103, 42848505, 128545515]

約数ペア:

[(1, 128545515), (3, 42848505), (5, 25709103), (7, 18363645), (9, 14282835), (15, 8569701), (21, 6121215), (27, 4760945), (35, 3672729), (45, 2856567), (63, 2040405), (105, 1224243), (135, 952189), (189, 680135), (315, 408081), (945, 136027)]