1931517

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 3514368

約数和(自身を除く): 1582851

約数列:

[1, 3, 7, 9, 21, 23, 31, 43, 63, 69, 93, 129, 161, 207, 217, 279, 301, 387, 483, 651, 713, 903, 989, 1333, 1449, 1953, 2139, 2709, 2967, 3999, 4991, 6417, 6923, 8901, 9331, 11997, 14973, 20769, 27993, 30659, 44919, 62307, 83979, 91977, 214613, 275931, 643839, 1931517]

約数ペア:

[(1, 1931517), (3, 643839), (7, 275931), (9, 214613), (21, 91977), (23, 83979), (31, 62307), (43, 44919), (63, 30659), (69, 27993), (93, 20769), (129, 14973), (161, 11997), (207, 9331), (217, 8901), (279, 6923), (301, 6417), (387, 4991), (483, 3999), (651, 2967), (713, 2709), (903, 2139), (989, 1953), (1333, 1449)]