2017960131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 3170958336

約数和(自身を除く): 1152998205

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 181, 253, 397, 407, 543, 759, 851, 1191, 1221, 1991, 2553, 4163, 4367, 5973, 6697, 9131, 9361, 12489, 13101, 14689, 20091, 27393, 28083, 44067, 45793, 71857, 73667, 100441, 137379, 154031, 161579, 215571, 221001, 301323, 337847, 462093, 484737, 790427, 1013541, 1652711, 1694341, 2371281, 2658709, 3716317, 4958133, 5083023, 7976127, 11148951, 18179821, 29245799, 54539463, 61150307, 87737397, 183450921, 672653377, 2017960131]

約数ペア:

[(1, 2017960131), (3, 672653377), (11, 183450921), (23, 87737397), (33, 61150307), (37, 54539463), (69, 29245799), (111, 18179821), (181, 11148951), (253, 7976127), (397, 5083023), (407, 4958133), (543, 3716317), (759, 2658709), (851, 2371281), (1191, 1694341), (1221, 1652711), (1991, 1013541), (2553, 790427), (4163, 484737), (4367, 462093), (5973, 337847), (6697, 301323), (9131, 221001), (9361, 215571), (12489, 161579), (13101, 154031), (14689, 137379), (20091, 100441), (27393, 73667), (28083, 71857), (44067, 45793)]