138570621

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2963}}^1$

素因数の和:3121

約数の個数: 32

約数和(自身を含む): 225358848

約数和(自身を除く): 86788227

約数列:

[1, 3, 7, 17, 21, 51, 119, 131, 357, 393, 917, 2227, 2751, 2963, 6681, 8889, 15589, 20741, 46767, 50371, 62223, 151113, 352597, 388153, 1057791, 1164459, 2717071, 6598601, 8151213, 19795803, 46190207, 138570621]

約数ペア:

[(1, 138570621), (3, 46190207), (7, 19795803), (17, 8151213), (21, 6598601), (51, 2717071), (119, 1164459), (131, 1057791), (357, 388153), (393, 352597), (917, 151113), (2227, 62223), (2751, 50371), (2963, 46767), (6681, 20741), (8889, 15589)]