197452017

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{12101}}^1$

素因数の和:12158

約数の個数: 36

約数和(自身を含む): 340768116

約数和(自身を除く): 143316099

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 12101, 16317, 36303, 84707, 108909, 254121, 447737, 592949, 762363, 1343211, 1778847, 3134159, 4029633, 5336541, 9402477, 21939113, 28207431, 65817339, 197452017]

約数ペア:

[(1, 197452017), (3, 65817339), (7, 28207431), (9, 21939113), (21, 9402477), (37, 5336541), (49, 4029633), (63, 3134159), (111, 1778847), (147, 1343211), (259, 762363), (333, 592949), (441, 447737), (777, 254121), (1813, 108909), (2331, 84707), (5439, 36303), (12101, 16317)]