315090087

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20663}}^1$

素因数の和:20719

約数の個数: 32

約数和(自身を含む): 499903488

約数和(自身を除く): 184813401

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 5083, 15249, 20663, 61989, 268619, 351271, 475249, 805857, 1053813, 1425747, 4566523, 6178237, 8079233, 13699569, 18534711, 24237699, 105030029, 315090087]

約数ペア:

[(1, 315090087), (3, 105030029), (13, 24237699), (17, 18534711), (23, 13699569), (39, 8079233), (51, 6178237), (69, 4566523), (221, 1425747), (299, 1053813), (391, 805857), (663, 475249), (897, 351271), (1173, 268619), (5083, 61989), (15249, 20663)]