42256431

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 75202560

約数和(自身を除く): 32946129

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 67, 71, 141, 189, 201, 213, 329, 423, 469, 497, 603, 639, 987, 1269, 1407, 1491, 1809, 1917, 2961, 3149, 3337, 4221, 4473, 4757, 8883, 9447, 10011, 12663, 13419, 14271, 22043, 23359, 28341, 30033, 33299, 42813, 66129, 70077, 85023, 90099, 99897, 128439, 198387, 210231, 223579, 299691, 595161, 630693, 670737, 899073, 1565053, 2012211, 4695159, 6036633, 14085477, 42256431]

約数ペア:

[(1, 42256431), (3, 14085477), (7, 6036633), (9, 4695159), (21, 2012211), (27, 1565053), (47, 899073), (63, 670737), (67, 630693), (71, 595161), (141, 299691), (189, 223579), (201, 210231), (213, 198387), (329, 128439), (423, 99897), (469, 90099), (497, 85023), (603, 70077), (639, 66129), (987, 42813), (1269, 33299), (1407, 30033), (1491, 28341), (1809, 23359), (1917, 22043), (2961, 14271), (3149, 13419), (3337, 12663), (4221, 10011), (4473, 9447), (4757, 8883)]