210901995

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82223}}^1$

素因数の和:82256

約数の個数: 32

約数和(自身を含む): 394675200

約数和(自身を除く): 183773205

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 82223, 246669, 411115, 740007, 1233345, 1562237, 2220021, 3700035, 4686711, 7811185, 11100105, 14060133, 23433555, 42180399, 70300665, 210901995]

約数ペア:

[(1, 210901995), (3, 70300665), (5, 42180399), (9, 23433555), (15, 14060133), (19, 11100105), (27, 7811185), (45, 4686711), (57, 3700035), (95, 2220021), (135, 1562237), (171, 1233345), (285, 740007), (513, 411115), (855, 246669), (2565, 82223)]