71378643

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 112665600

約数和(自身を除く): 41286957

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 343, 497, 977, 1029, 1491, 2931, 3479, 6839, 10437, 20517, 24353, 47873, 69367, 73059, 143619, 208101, 335111, 485569, 1005333, 1456707, 3398983, 10196949, 23792881, 71378643]

約数ペア:

[(1, 71378643), (3, 23792881), (7, 10196949), (21, 3398983), (49, 1456707), (71, 1005333), (147, 485569), (213, 335111), (343, 208101), (497, 143619), (977, 73059), (1029, 69367), (1491, 47873), (2931, 24353), (3479, 20517), (6839, 10437)]