28947789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 45215352

約数和(自身を除く): 16267563

約数列:

[1, 3, 9, 13, 39, 117, 401, 617, 1203, 1851, 3609, 5213, 5553, 8021, 15639, 24063, 46917, 72189, 247417, 742251, 2226753, 3216421, 9649263, 28947789]

約数ペア:

[(1, 28947789), (3, 9649263), (9, 3216421), (13, 2226753), (39, 742251), (117, 247417), (401, 72189), (617, 46917), (1203, 24063), (1851, 15639), (3609, 8021), (5213, 5553)]