28684551

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 45045504

約数和(自身を除く): 16360953

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 2351, 4067, 7053, 12201, 16457, 49371, 115199, 195133, 345597, 585399, 1365931, 4097793, 9561517, 28684551]

約数ペア:

[(1, 28684551), (3, 9561517), (7, 4097793), (21, 1365931), (49, 585399), (83, 345597), (147, 195133), (249, 115199), (581, 49371), (1743, 16457), (2351, 12201), (4067, 7053)]