686367621

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{28277}}^1$

素因数の和:28346

約数の個数: 32

約数和(自身を含む): 1085875200

約数和(自身を除く): 399507579

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 837, 899, 2697, 8091, 24273, 28277, 84831, 254493, 763479, 820033, 876587, 2460099, 2629761, 7380297, 7889283, 22140891, 23667849, 25421023, 76263069, 228789207, 686367621]

約数ペア:

[(1, 686367621), (3, 228789207), (9, 76263069), (27, 25421023), (29, 23667849), (31, 22140891), (87, 7889283), (93, 7380297), (261, 2629761), (279, 2460099), (783, 876587), (837, 820033), (899, 763479), (2697, 254493), (8091, 84831), (24273, 28277)]