28101177

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{521}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 43891848

約数和(自身を除く): 15790671

約数列:

[1, 3, 9, 13, 39, 117, 461, 521, 1383, 1563, 4149, 4689, 5993, 6773, 17979, 20319, 53937, 60957, 240181, 720543, 2161629, 3122353, 9367059, 28101177]

約数ペア:

[(1, 28101177), (3, 9367059), (9, 3122353), (13, 2161629), (39, 720543), (117, 240181), (461, 60957), (521, 53937), (1383, 20319), (1563, 17979), (4149, 6773), (4689, 5993)]