667307079

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{55291}}^1$

素因数の和:55452

約数の個数: 20

約数和(自身を含む): 1003549800

約数和(自身を除く): 336242721

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 55291, 165873, 497619, 1492857, 4478571, 8238359, 24715077, 74145231, 222435693, 667307079]

約数ペア:

[(1, 667307079), (3, 222435693), (9, 74145231), (27, 24715077), (81, 8238359), (149, 4478571), (447, 1492857), (1341, 497619), (4023, 165873), (12069, 55291)]