1280491035

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{63281}}^1$

素因数の和:63379

約数の個数: 32

約数和(自身を含む): 2187025920

約数和(自身を除く): 906534885

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 4047, 6745, 20235, 63281, 189843, 316405, 949215, 1202339, 3607017, 4492951, 6011695, 13478853, 18035085, 22464755, 67394265, 85366069, 256098207, 426830345, 1280491035]

約数ペア:

[(1, 1280491035), (3, 426830345), (5, 256098207), (15, 85366069), (19, 67394265), (57, 22464755), (71, 18035085), (95, 13478853), (213, 6011695), (285, 4492951), (355, 3607017), (1065, 1202339), (1349, 949215), (4047, 316405), (6745, 189843), (20235, 63281)]