28570479

素因数分解:

$3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{739}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 44542080

約数和(自身を除く): 15971601

約数列:

[1, 3, 7, 21, 49, 147, 263, 739, 789, 1841, 2217, 5173, 5523, 12887, 15519, 36211, 38661, 108633, 194357, 583071, 1360499, 4081497, 9523493, 28570479]

約数ペア:

[(1, 28570479), (3, 9523493), (7, 4081497), (21, 1360499), (49, 583071), (147, 194357), (263, 108633), (739, 38661), (789, 36211), (1841, 15519), (2217, 12887), (5173, 5523)]