1820247

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4243}}^1$

素因数の和:4270

約数の個数: 16

約数和(自身を含む): 2851968

約数和(自身を除く): 1031721

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 4243, 12729, 46673, 55159, 140019, 165477, 606749, 1820247]

約数ペア:

[(1, 1820247), (3, 606749), (11, 165477), (13, 140019), (33, 55159), (39, 46673), (143, 12729), (429, 4243)]