128974995

素因数分解:

$3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3491}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 223893072

約数和(自身を除く): 94918077

約数列:

[1, 3, 5, 9, 15, 45, 821, 2463, 3491, 4105, 7389, 10473, 12315, 17455, 31419, 36945, 52365, 157095, 2866111, 8598333, 14330555, 25794999, 42991665, 128974995]

約数ペア:

[(1, 128974995), (3, 42991665), (5, 25794999), (9, 14330555), (15, 8598333), (45, 2866111), (821, 157095), (2463, 52365), (3491, 36945), (4105, 31419), (7389, 17455), (10473, 12315)]