12781083

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 20828160

約数和(自身を除く): 8047077

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 677, 899, 2031, 2697, 4739, 6293, 14217, 18879, 19633, 20987, 58899, 62961, 137431, 146909, 412293, 440727, 608623, 1825869, 4260361, 12781083]

約数ペア:

[(1, 12781083), (3, 4260361), (7, 1825869), (21, 608623), (29, 440727), (31, 412293), (87, 146909), (93, 137431), (203, 62961), (217, 58899), (609, 20987), (651, 19633), (677, 18879), (899, 14217), (2031, 6293), (2697, 4739)]