31947201

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 54966912

約数和(自身を除く): 23019711

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 103, 117, 143, 241, 309, 429, 723, 927, 1133, 1287, 1339, 2169, 2651, 3133, 3399, 4017, 7953, 9399, 10197, 12051, 14729, 23859, 24823, 28197, 34463, 44187, 74469, 103389, 132561, 223407, 273053, 310167, 322699, 819159, 968097, 2457477, 2904291, 3549689, 10649067, 31947201]

約数ペア:

[(1, 31947201), (3, 10649067), (9, 3549689), (11, 2904291), (13, 2457477), (33, 968097), (39, 819159), (99, 322699), (103, 310167), (117, 273053), (143, 223407), (241, 132561), (309, 103389), (429, 74469), (723, 44187), (927, 34463), (1133, 28197), (1287, 24823), (1339, 23859), (2169, 14729), (2651, 12051), (3133, 10197), (3399, 9399), (4017, 7953)]