25803999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 43051008

約数和(自身を除く): 17247009

約数列:

[1, 3, 9, 13, 23, 39, 43, 69, 117, 129, 207, 223, 299, 387, 559, 669, 897, 989, 1677, 2007, 2691, 2899, 2967, 5031, 5129, 8697, 8901, 9589, 12857, 15387, 26091, 28767, 38571, 46161, 66677, 86301, 115713, 124657, 200031, 220547, 373971, 600093, 661641, 1121913, 1984923, 2867111, 8601333, 25803999]

約数ペア:

[(1, 25803999), (3, 8601333), (9, 2867111), (13, 1984923), (23, 1121913), (39, 661641), (43, 600093), (69, 373971), (117, 220547), (129, 200031), (207, 124657), (223, 115713), (299, 86301), (387, 66677), (559, 46161), (669, 38571), (897, 28767), (989, 26091), (1677, 15387), (2007, 12857), (2691, 9589), (2899, 8901), (2967, 8697), (5031, 5129)]