289552617

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 466944000

約数和(自身を除く): 177391383

約数列:

[1, 3, 9, 27, 29, 31, 79, 87, 93, 151, 237, 261, 279, 453, 711, 783, 837, 899, 1359, 2133, 2291, 2449, 2697, 4077, 4379, 4681, 6873, 7347, 8091, 11929, 13137, 14043, 20619, 22041, 24273, 35787, 39411, 42129, 61857, 66123, 71021, 107361, 118233, 126387, 135749, 213063, 322083, 345941, 369799, 407247, 639189, 1037823, 1109397, 1221741, 1917567, 3113469, 3328191, 3665223, 9340407, 9984573, 10724171, 32172513, 96517539, 289552617]

約数ペア:

[(1, 289552617), (3, 96517539), (9, 32172513), (27, 10724171), (29, 9984573), (31, 9340407), (79, 3665223), (87, 3328191), (93, 3113469), (151, 1917567), (237, 1221741), (261, 1109397), (279, 1037823), (453, 639189), (711, 407247), (783, 369799), (837, 345941), (899, 322083), (1359, 213063), (2133, 135749), (2291, 126387), (2449, 118233), (2697, 107361), (4077, 71021), (4379, 66123), (4681, 61857), (6873, 42129), (7347, 39411), (8091, 35787), (11929, 24273), (13137, 22041), (14043, 20619)]