201531765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8951}}^1$

素因数の和:9057

約数の個数: 32

約数和(自身を含む): 343756800

約数和(自身を除く): 142225035

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 1185, 1501, 4503, 7505, 8951, 22515, 26853, 44755, 134265, 170069, 510207, 707129, 850345, 2121387, 2551035, 3535645, 10606935, 13435451, 40306353, 67177255, 201531765]

約数ペア:

[(1, 201531765), (3, 67177255), (5, 40306353), (15, 13435451), (19, 10606935), (57, 3535645), (79, 2551035), (95, 2121387), (237, 850345), (285, 707129), (395, 510207), (1185, 170069), (1501, 134265), (4503, 44755), (7505, 26853), (8951, 22515)]