402792021

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3413}}^1$

素因数の和:3503

約数の個数: 40

約数和(自身を含む): 634512384

約数和(自身を除く): 231720363

約数列:

[1, 3, 9, 27, 31, 47, 81, 93, 141, 279, 423, 837, 1269, 1457, 2511, 3413, 3807, 4371, 10239, 13113, 30717, 39339, 92151, 105803, 118017, 160411, 276453, 317409, 481233, 952227, 1443699, 2856681, 4331097, 4972741, 8570043, 12993291, 14918223, 44754669, 134264007, 402792021]

約数ペア:

[(1, 402792021), (3, 134264007), (9, 44754669), (27, 14918223), (31, 12993291), (47, 8570043), (81, 4972741), (93, 4331097), (141, 2856681), (279, 1443699), (423, 952227), (837, 481233), (1269, 317409), (1457, 276453), (2511, 160411), (3413, 118017), (3807, 105803), (4371, 92151), (10239, 39339), (13113, 30717)]