12900309

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 19144704

約数和(自身を除く): 6244395

約数列:

[1, 3, 23, 31, 37, 69, 93, 111, 163, 489, 713, 851, 1147, 2139, 2553, 3441, 3749, 5053, 6031, 11247, 15159, 18093, 26381, 79143, 116219, 138713, 186961, 348657, 416139, 560883, 4300103, 12900309]

約数ペア:

[(1, 12900309), (3, 4300103), (23, 560883), (31, 416139), (37, 348657), (69, 186961), (93, 138713), (111, 116219), (163, 79143), (489, 26381), (713, 18093), (851, 15159), (1147, 11247), (2139, 6031), (2553, 5053), (3441, 3749)]