209129985

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19609}}^1$

素因数の和:19702

約数の個数: 32

約数和(自身を含む): 376512000

約数和(自身を除く): 167382015

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 3555, 10665, 19609, 58827, 98045, 176481, 294135, 529443, 882405, 1549111, 2647215, 4647333, 7745555, 13941999, 23236665, 41825997, 69709995, 209129985]

約数ペア:

[(1, 209129985), (3, 69709995), (5, 41825997), (9, 23236665), (15, 13941999), (27, 7745555), (45, 4647333), (79, 2647215), (135, 1549111), (237, 882405), (395, 529443), (711, 294135), (1185, 176481), (2133, 98045), (3555, 58827), (10665, 19609)]