156980859

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{20149}}^1$

素因数の和:20219

約数の個数: 24

約数和(自身を含む): 248086800

約数和(自身を除く): 91105941

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 20149, 60447, 141043, 423129, 987301, 1067897, 2961903, 3203691, 7475279, 22425837, 52326953, 156980859]

約数ペア:

[(1, 156980859), (3, 52326953), (7, 22425837), (21, 7475279), (49, 3203691), (53, 2961903), (147, 1067897), (159, 987301), (371, 423129), (1113, 141043), (2597, 60447), (7791, 20149)]