16831791

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 27236352

約数和(自身を除く): 10404561

約数列:

[1, 3, 9, 23, 31, 43, 61, 69, 93, 129, 183, 207, 279, 387, 549, 713, 989, 1333, 1403, 1891, 2139, 2623, 2967, 3999, 4209, 5673, 6417, 7869, 8901, 11997, 12627, 17019, 23607, 30659, 43493, 60329, 81313, 91977, 130479, 180987, 243939, 275931, 391437, 542961, 731817, 1870199, 5610597, 16831791]

約数ペア:

[(1, 16831791), (3, 5610597), (9, 1870199), (23, 731817), (31, 542961), (43, 391437), (61, 275931), (69, 243939), (93, 180987), (129, 130479), (183, 91977), (207, 81313), (279, 60329), (387, 43493), (549, 30659), (713, 23607), (989, 17019), (1333, 12627), (1403, 11997), (1891, 8901), (2139, 7869), (2623, 6417), (2967, 5673), (3999, 4209)]