28115367

素因数分解:

$3^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 16236633

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 307, 343, 623, 921, 1029, 1869, 2149, 4361, 6447, 13083, 15043, 27323, 30527, 45129, 81969, 91581, 105301, 191261, 315903, 573783, 1338827, 4016481, 9371789, 28115367]

約数ペア:

[(1, 28115367), (3, 9371789), (7, 4016481), (21, 1338827), (49, 573783), (89, 315903), (147, 191261), (267, 105301), (307, 91581), (343, 81969), (623, 45129), (921, 30527), (1029, 27323), (1869, 15043), (2149, 13083), (4361, 6447)]