128018085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1021}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 221144448

約数和(自身を除く): 93126363

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 643, 1021, 1929, 3063, 3215, 5105, 8359, 9645, 13273, 15315, 25077, 39819, 41795, 66365, 125385, 199095, 656503, 1969509, 3282515, 8534539, 9847545, 25603617, 42672695, 128018085]

約数ペア:

[(1, 128018085), (3, 42672695), (5, 25603617), (13, 9847545), (15, 8534539), (39, 3282515), (65, 1969509), (195, 656503), (643, 199095), (1021, 125385), (1929, 66365), (3063, 41795), (3215, 39819), (5105, 25077), (8359, 15315), (9645, 13273)]