291290067

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 462827520

約数和(自身を除く): 171537453

約数列:

[1, 3, 9, 27, 47, 53, 61, 71, 141, 159, 183, 213, 423, 477, 549, 639, 1269, 1431, 1647, 1917, 2491, 2867, 3233, 3337, 3763, 4331, 7473, 8601, 9699, 10011, 11289, 12993, 22419, 25803, 29097, 30033, 33867, 38979, 67257, 77409, 87291, 90099, 101601, 116937, 151951, 176861, 203557, 229543, 455853, 530583, 610671, 688629, 1367559, 1591749, 1832013, 2065887, 4102677, 4775247, 5496039, 6197661, 10788521, 32365563, 97096689, 291290067]

約数ペア:

[(1, 291290067), (3, 97096689), (9, 32365563), (27, 10788521), (47, 6197661), (53, 5496039), (61, 4775247), (71, 4102677), (141, 2065887), (159, 1832013), (183, 1591749), (213, 1367559), (423, 688629), (477, 610671), (549, 530583), (639, 455853), (1269, 229543), (1431, 203557), (1647, 176861), (1917, 151951), (2491, 116937), (2867, 101601), (3233, 90099), (3337, 87291), (3763, 77409), (4331, 67257), (7473, 38979), (8601, 33867), (9699, 30033), (10011, 29097), (11289, 25803), (12993, 22419)]