222222015

素因数分解:

$3^3\times 5^1\times {\mathrm{1283}}^2$

素因数の和:2580

約数の個数: 24

約数和(自身を含む): 395369520

約数和(自身を除く): 173147505

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1283, 3849, 6415, 11547, 19245, 34641, 57735, 173205, 1646089, 4938267, 8230445, 14814801, 24691335, 44444403, 74074005, 222222015]

約数ペア:

[(1, 222222015), (3, 74074005), (5, 44444403), (9, 24691335), (15, 14814801), (27, 8230445), (45, 4938267), (135, 1646089), (1283, 173205), (3849, 57735), (6415, 34641), (11547, 19245)]