23755221

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 42803200

約数和(自身を除く): 19047979

約数列:

[1, 3, 7, 9, 21, 27, 37, 43, 63, 79, 111, 129, 189, 237, 259, 301, 333, 387, 553, 711, 777, 903, 999, 1161, 1591, 1659, 2133, 2331, 2709, 2923, 3397, 4773, 4977, 6993, 8127, 8769, 10191, 11137, 14319, 14931, 20461, 23779, 26307, 30573, 33411, 42957, 61383, 71337, 78921, 91719, 100233, 125689, 184149, 214011, 300699, 377067, 552447, 642033, 879823, 1131201, 2639469, 3393603, 7918407, 23755221]

約数ペア:

[(1, 23755221), (3, 7918407), (7, 3393603), (9, 2639469), (21, 1131201), (27, 879823), (37, 642033), (43, 552447), (63, 377067), (79, 300699), (111, 214011), (129, 184149), (189, 125689), (237, 100233), (259, 91719), (301, 78921), (333, 71337), (387, 61383), (553, 42957), (711, 33411), (777, 30573), (903, 26307), (999, 23779), (1161, 20461), (1591, 14931), (1659, 14319), (2133, 11137), (2331, 10191), (2709, 8769), (2923, 8127), (3397, 6993), (4773, 4977)]