81648828

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{20071}}^1$

素因数の和:20194

約数の個数: 36

約数和(自身を含む): 208226928

約数和(自身を除く): 126578100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 20071, 40142, 60213, 80284, 120426, 180639, 240852, 361278, 722556, 2268023, 4536046, 6804069, 9072092, 13608138, 20412207, 27216276, 40824414, 81648828]

約数ペア:

[(1, 81648828), (2, 40824414), (3, 27216276), (4, 20412207), (6, 13608138), (9, 9072092), (12, 6804069), (18, 4536046), (36, 2268023), (113, 722556), (226, 361278), (339, 240852), (452, 180639), (678, 120426), (1017, 80284), (1356, 60213), (2034, 40142), (4068, 20071)]