621810423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 1002019200

約数和(自身を除く): 380208777

約数列:

[1, 3, 9, 13, 39, 47, 73, 117, 141, 219, 423, 611, 657, 949, 1549, 1833, 2847, 3431, 4647, 5499, 8541, 10293, 13941, 20137, 30879, 44603, 60411, 72803, 113077, 133809, 181233, 218409, 339231, 401427, 655227, 946439, 1017693, 1470001, 2839317, 4410003, 5314619, 8517951, 13230009, 15943857, 47831571, 69090047, 207270141, 621810423]

約数ペア:

[(1, 621810423), (3, 207270141), (9, 69090047), (13, 47831571), (39, 15943857), (47, 13230009), (73, 8517951), (117, 5314619), (141, 4410003), (219, 2839317), (423, 1470001), (611, 1017693), (657, 946439), (949, 655227), (1549, 401427), (1833, 339231), (2847, 218409), (3431, 181233), (4647, 133809), (5499, 113077), (8541, 72803), (10293, 60411), (13941, 44603), (20137, 30879)]