71448507

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 119992320

約数和(自身を除く): 48543813

約数列:

[1, 3, 9, 13, 27, 39, 47, 61, 71, 117, 141, 183, 213, 351, 423, 549, 611, 639, 793, 923, 1269, 1647, 1833, 1917, 2379, 2769, 2867, 3337, 4331, 5499, 7137, 8307, 8601, 10011, 12993, 16497, 21411, 24921, 25803, 30033, 37271, 38979, 43381, 56303, 77409, 90099, 111813, 116937, 130143, 168909, 203557, 335439, 390429, 506727, 610671, 1006317, 1171287, 1520181, 1832013, 2646241, 5496039, 7938723, 23816169, 71448507]

約数ペア:

[(1, 71448507), (3, 23816169), (9, 7938723), (13, 5496039), (27, 2646241), (39, 1832013), (47, 1520181), (61, 1171287), (71, 1006317), (117, 610671), (141, 506727), (183, 390429), (213, 335439), (351, 203557), (423, 168909), (549, 130143), (611, 116937), (639, 111813), (793, 90099), (923, 77409), (1269, 56303), (1647, 43381), (1833, 38979), (1917, 37271), (2379, 30033), (2769, 25803), (2867, 24921), (3337, 21411), (4331, 16497), (5499, 12993), (7137, 10011), (8307, 8601)]