218889729

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2539}}^1$

素因数の和:2682

約数の個数: 32

約数和(自身を含む): 338124800

約数和(自身を除く): 119235071

約数列:

[1, 3, 9, 27, 31, 93, 103, 279, 309, 837, 927, 2539, 2781, 3193, 7617, 9579, 22851, 28737, 68553, 78709, 86211, 236127, 261517, 708381, 784551, 2125143, 2353653, 7060959, 8107027, 24321081, 72963243, 218889729]

約数ペア:

[(1, 218889729), (3, 72963243), (9, 24321081), (27, 8107027), (31, 7060959), (93, 2353653), (103, 2125143), (279, 784551), (309, 708381), (837, 261517), (927, 236127), (2539, 86211), (2781, 78709), (3193, 68553), (7617, 28737), (9579, 22851)]