1287761679

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{3163}}^1$

素因数の和:4076

約数の個数: 32

約数和(自身を含む): 2022935040

約数和(自身を除く): 735173361

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 887, 2661, 3163, 7983, 9489, 15079, 23949, 28467, 45237, 53771, 85401, 135711, 161313, 407133, 483939, 1451817, 2805581, 8416743, 25250229, 47694877, 75750687, 143084631, 429253893, 1287761679]

約数ペア:

[(1, 1287761679), (3, 429253893), (9, 143084631), (17, 75750687), (27, 47694877), (51, 25250229), (153, 8416743), (459, 2805581), (887, 1451817), (2661, 483939), (3163, 407133), (7983, 161313), (9489, 135711), (15079, 85401), (23949, 53771), (28467, 45237)]