199553565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{4801}}^1$

素因数の和:4989

約数の個数: 32

約数和(自身を含む): 340212096

約数和(自身を除く): 140658531

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 815, 2445, 2771, 4801, 8313, 13855, 14403, 24005, 41565, 72015, 81617, 244851, 408085, 782563, 1224255, 2347689, 3912815, 11738445, 13303571, 39910713, 66517855, 199553565]

約数ペア:

[(1, 199553565), (3, 66517855), (5, 39910713), (15, 13303571), (17, 11738445), (51, 3912815), (85, 2347689), (163, 1224255), (255, 782563), (489, 408085), (815, 244851), (2445, 81617), (2771, 72015), (4801, 41565), (8313, 24005), (13855, 14403)]