201979905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1907}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 338494464

約数和(自身を除く): 136514559

約数列:

[1, 3, 5, 15, 23, 69, 115, 307, 345, 921, 1535, 1907, 4605, 5721, 7061, 9535, 21183, 28605, 35305, 43861, 105915, 131583, 219305, 585449, 657915, 1756347, 2927245, 8781735, 13465327, 40395981, 67326635, 201979905]

約数ペア:

[(1, 201979905), (3, 67326635), (5, 40395981), (15, 13465327), (23, 8781735), (69, 2927245), (115, 1756347), (307, 657915), (345, 585449), (921, 219305), (1535, 131583), (1907, 105915), (4605, 43861), (5721, 35305), (7061, 28605), (9535, 21183)]