31070949

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 21788571

約数列:

[1, 3, 7, 13, 21, 39, 49, 71, 91, 147, 213, 229, 273, 497, 637, 687, 923, 1491, 1603, 1911, 2769, 2977, 3479, 4809, 6461, 8931, 10437, 11221, 16259, 19383, 20839, 33663, 45227, 48777, 62517, 113813, 135681, 145873, 211367, 341439, 437619, 634101, 796691, 1479569, 2390073, 4438707, 10356983, 31070949]

約数ペア:

[(1, 31070949), (3, 10356983), (7, 4438707), (13, 2390073), (21, 1479569), (39, 796691), (49, 634101), (71, 437619), (91, 341439), (147, 211367), (213, 145873), (229, 135681), (273, 113813), (497, 62517), (637, 48777), (687, 45227), (923, 33663), (1491, 20839), (1603, 19383), (1911, 16259), (2769, 11221), (2977, 10437), (3479, 8931), (4809, 6461)]