25987815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 57148416

約数和(自身を除く): 31160601

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 35, 45, 51, 63, 69, 85, 105, 115, 119, 153, 161, 207, 211, 255, 315, 345, 357, 391, 483, 595, 633, 765, 805, 1035, 1055, 1071, 1173, 1449, 1477, 1785, 1899, 1955, 2415, 2737, 3165, 3519, 3587, 4431, 4853, 5355, 5865, 7245, 7385, 8211, 9495, 10761, 13293, 13685, 14559, 17595, 17935, 22155, 24265, 24633, 25109, 32283, 33971, 41055, 43677, 53805, 66465, 72795, 75327, 82501, 101913, 123165, 125545, 161415, 169855, 218385, 225981, 247503, 305739, 376635, 412505, 509565, 577507, 742509, 1129905, 1237515, 1528695, 1732521, 2887535, 3712545, 5197563, 8662605, 25987815]

約数ペア:

[(1, 25987815), (3, 8662605), (5, 5197563), (7, 3712545), (9, 2887535), (15, 1732521), (17, 1528695), (21, 1237515), (23, 1129905), (35, 742509), (45, 577507), (51, 509565), (63, 412505), (69, 376635), (85, 305739), (105, 247503), (115, 225981), (119, 218385), (153, 169855), (161, 161415), (207, 125545), (211, 123165), (255, 101913), (315, 82501), (345, 75327), (357, 72795), (391, 66465), (483, 53805), (595, 43677), (633, 41055), (765, 33971), (805, 32283), (1035, 25109), (1055, 24633), (1071, 24265), (1173, 22155), (1449, 17935), (1477, 17595), (1785, 14559), (1899, 13685), (1955, 13293), (2415, 10761), (2737, 9495), (3165, 8211), (3519, 7385), (3587, 7245), (4431, 5865), (4853, 5355)]