1820871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 2882880

約数和(自身を除く): 1062009

約数列:

[1, 3, 9, 13, 39, 79, 117, 197, 237, 591, 711, 1027, 1773, 2561, 3081, 7683, 9243, 15563, 23049, 46689, 140067, 202319, 606957, 1820871]

約数ペア:

[(1, 1820871), (3, 606957), (9, 202319), (13, 140067), (39, 46689), (79, 23049), (117, 15563), (197, 9243), (237, 7683), (591, 3081), (711, 2561), (1027, 1773)]