1621396209

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{26417}}^1$

素因数の和:26960

約数の個数: 16

約数和(自身を含む): 2219112000

約数和(自身を除く): 597715791

約数列:

[1, 3, 41, 123, 499, 1497, 20459, 26417, 61377, 79251, 1083097, 3249291, 13182083, 39546249, 540465403, 1621396209]

約数ペア:

[(1, 1621396209), (3, 540465403), (41, 39546249), (123, 13182083), (499, 3249291), (1497, 1083097), (20459, 79251), (26417, 61377)]