821622015

素因数分解:

$3^3\times 5^1\times {\mathrm{2467}}^2$

素因数の和:4948

約数の個数: 24

約数和(自身を含む): 1461253680

約数和(自身を除く): 639631665

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2467, 7401, 12335, 22203, 37005, 66609, 111015, 333045, 6086089, 18258267, 30430445, 54774801, 91291335, 164324403, 273874005, 821622015]

約数ペア:

[(1, 821622015), (3, 273874005), (5, 164324403), (9, 91291335), (15, 54774801), (27, 30430445), (45, 18258267), (135, 6086089), (2467, 333045), (7401, 111015), (12335, 66609), (22203, 37005)]