820199221

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{2293}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 887447664

約数和(自身を除く): 67248443

約数列:

[1, 17, 53, 397, 901, 2293, 6749, 21041, 38981, 121529, 357697, 910321, 2065993, 15475457, 48247013, 820199221]

約数ペア:

[(1, 820199221), (17, 48247013), (53, 15475457), (397, 2065993), (901, 910321), (2293, 357697), (6749, 121529), (21041, 38981)]