28328337

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 42007680

約数和(自身を除く): 13679343

約数列:

[1, 3, 9, 67, 109, 201, 327, 431, 603, 981, 1293, 3879, 7303, 21909, 28877, 46979, 65727, 86631, 140937, 259893, 422811, 3147593, 9442779, 28328337]

約数ペア:

[(1, 28328337), (3, 9442779), (9, 3147593), (67, 422811), (109, 259893), (201, 140937), (327, 86631), (431, 65727), (603, 46979), (981, 28877), (1293, 21909), (3879, 7303)]