28727643

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{487}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 44708608

約数和(自身を除く): 15980965

約数列:

[1, 3, 7, 21, 53, 159, 371, 487, 1113, 1461, 2809, 3409, 8427, 10227, 19663, 25811, 58989, 77433, 180677, 542031, 1367983, 4103949, 9575881, 28727643]

約数ペア:

[(1, 28727643), (3, 9575881), (7, 4103949), (21, 1367983), (53, 542031), (159, 180677), (371, 77433), (487, 58989), (1113, 25811), (1461, 19663), (2809, 10227), (3409, 8427)]