72720126

素因数分解:

$2^1\times 3^3\times {\mathrm{1346669}}^1$

素因数の和:1346680

約数の個数: 16

約数和(自身を含む): 161600400

約数和(自身を除く): 88880274

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1346669, 2693338, 4040007, 8080014, 12120021, 24240042, 36360063, 72720126]

約数ペア:

[(1, 72720126), (2, 36360063), (3, 24240042), (6, 12120021), (9, 8080014), (18, 4040007), (27, 2693338), (54, 1346669)]