220163985

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{67021}}^1$

素因数の和:67105

約数の個数: 24

約数和(自身を含む): 386850984

約数和(自身を除く): 166686999

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 67021, 201063, 335105, 603189, 1005315, 3015945, 4892533, 14677599, 24462665, 44032797, 73387995, 220163985]

約数ペア:

[(1, 220163985), (3, 73387995), (5, 44032797), (9, 24462665), (15, 14677599), (45, 4892533), (73, 3015945), (219, 1005315), (365, 603189), (657, 335105), (1095, 201063), (3285, 67021)]