64872951

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 107659776

約数和(自身を除く): 42786825

約数列:

[1, 3, 11, 13, 33, 37, 39, 61, 67, 111, 143, 183, 201, 407, 429, 481, 671, 737, 793, 871, 1221, 1443, 2013, 2211, 2257, 2379, 2479, 2613, 4087, 5291, 6771, 7437, 8723, 9581, 12261, 15873, 24827, 26169, 27269, 28743, 29341, 32227, 44957, 53131, 74481, 81807, 88023, 96681, 134871, 151219, 159393, 322751, 354497, 453657, 584441, 968253, 1063491, 1663409, 1753323, 1965847, 4990227, 5897541, 21624317, 64872951]

約数ペア:

[(1, 64872951), (3, 21624317), (11, 5897541), (13, 4990227), (33, 1965847), (37, 1753323), (39, 1663409), (61, 1063491), (67, 968253), (111, 584441), (143, 453657), (183, 354497), (201, 322751), (407, 159393), (429, 151219), (481, 134871), (671, 96681), (737, 88023), (793, 81807), (871, 74481), (1221, 53131), (1443, 44957), (2013, 32227), (2211, 29341), (2257, 28743), (2379, 27269), (2479, 26169), (2613, 24827), (4087, 15873), (5291, 12261), (6771, 9581), (7437, 8723)]