28532259

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 52284960

約数和(自身を除く): 23752701

約数列:

[1, 3, 7, 9, 21, 23, 29, 49, 63, 69, 87, 97, 147, 161, 203, 207, 261, 291, 441, 483, 609, 667, 679, 873, 1127, 1421, 1449, 1827, 2001, 2037, 2231, 2813, 3381, 4263, 4669, 4753, 6003, 6111, 6693, 8439, 10143, 12789, 14007, 14259, 15617, 19691, 20079, 25317, 32683, 42021, 42777, 46851, 59073, 64699, 98049, 109319, 137837, 140553, 177219, 194097, 294147, 327957, 413511, 452893, 582291, 983871, 1240533, 1358679, 3170251, 4076037, 9510753, 28532259]

約数ペア:

[(1, 28532259), (3, 9510753), (7, 4076037), (9, 3170251), (21, 1358679), (23, 1240533), (29, 983871), (49, 582291), (63, 452893), (69, 413511), (87, 327957), (97, 294147), (147, 194097), (161, 177219), (203, 140553), (207, 137837), (261, 109319), (291, 98049), (441, 64699), (483, 59073), (609, 46851), (667, 42777), (679, 42021), (873, 32683), (1127, 25317), (1421, 20079), (1449, 19691), (1827, 15617), (2001, 14259), (2037, 14007), (2231, 12789), (2813, 10143), (3381, 8439), (4263, 6693), (4669, 6111), (4753, 6003)]