31001369

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 8166631

約数列:

[1, 7, 19, 49, 67, 71, 133, 343, 469, 497, 931, 1273, 1349, 3283, 3479, 4757, 6517, 8911, 9443, 22981, 24353, 33299, 62377, 66101, 90383, 233093, 436639, 462707, 632681, 1631651, 4428767, 31001369]

約数ペア:

[(1, 31001369), (7, 4428767), (19, 1631651), (49, 632681), (67, 462707), (71, 436639), (133, 233093), (343, 90383), (469, 66101), (497, 62377), (931, 33299), (1273, 24353), (1349, 22981), (3283, 9443), (3479, 8911), (4757, 6517)]