285410307

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 491774976

約数和(自身を除く): 206364669

約数列:

[1, 3, 7, 13, 21, 39, 41, 43, 91, 123, 129, 273, 287, 301, 533, 559, 593, 861, 903, 1599, 1677, 1763, 1779, 3731, 3913, 4151, 5289, 7709, 11193, 11739, 12341, 12453, 22919, 23127, 24313, 25499, 37023, 53963, 68757, 72939, 76497, 160433, 161889, 170191, 178493, 316069, 331487, 481299, 510573, 535479, 948207, 994461, 1045459, 2212483, 2320409, 3136377, 6637449, 6961227, 7318213, 13590967, 21954639, 40772901, 95136769, 285410307]

約数ペア:

[(1, 285410307), (3, 95136769), (7, 40772901), (13, 21954639), (21, 13590967), (39, 7318213), (41, 6961227), (43, 6637449), (91, 3136377), (123, 2320409), (129, 2212483), (273, 1045459), (287, 994461), (301, 948207), (533, 535479), (559, 510573), (593, 481299), (861, 331487), (903, 316069), (1599, 178493), (1677, 170191), (1763, 161889), (1779, 160433), (3731, 76497), (3913, 72939), (4151, 68757), (5289, 53963), (7709, 37023), (11193, 25499), (11739, 24313), (12341, 23127), (12453, 22919)]