72045945

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17989}}^1$

素因数の和:18089

約数の個数: 24

約数和(自身を含む): 126289800

約数和(自身を除く): 54243855

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 17989, 53967, 89945, 161901, 269835, 809505, 1601021, 4803063, 8005105, 14409189, 24015315, 72045945]

約数ペア:

[(1, 72045945), (3, 24015315), (5, 14409189), (9, 8005105), (15, 4803063), (45, 1601021), (89, 809505), (267, 269835), (445, 161901), (801, 89945), (1335, 53967), (4005, 17989)]