656921583

素因数分解:

$3^6\times {\mathrm{313}}^1\times {\mathrm{2879}}^1$

素因数の和:3210

約数の個数: 28

約数和(自身を含む): 988421760

約数和(自身を除く): 331500177

約数列:

[1, 3, 9, 27, 81, 243, 313, 729, 939, 2817, 2879, 8451, 8637, 25353, 25911, 76059, 77733, 228177, 233199, 699597, 901127, 2098791, 2703381, 8110143, 24330429, 72991287, 218973861, 656921583]

約数ペア:

[(1, 656921583), (3, 218973861), (9, 72991287), (27, 24330429), (81, 8110143), (243, 2703381), (313, 2098791), (729, 901127), (939, 699597), (2817, 233199), (2879, 228177), (8451, 77733), (8637, 76059), (25353, 25911)]