2556243

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 3942432

約数和(自身を除く): 1386189

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 233, 477, 699, 1219, 2097, 3657, 5359, 10971, 12349, 16077, 37047, 48231, 111141, 284027, 852081, 2556243]

約数ペア:

[(1, 2556243), (3, 852081), (9, 284027), (23, 111141), (53, 48231), (69, 37047), (159, 16077), (207, 12349), (233, 10971), (477, 5359), (699, 3657), (1219, 2097)]