2181231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 3444896

約数和(自身を除く): 1263665

約数列:

[1, 3, 9, 13, 39, 103, 117, 181, 309, 543, 927, 1339, 1629, 2353, 4017, 7059, 12051, 18643, 21177, 55929, 167787, 242359, 727077, 2181231]

約数ペア:

[(1, 2181231), (3, 727077), (9, 242359), (13, 167787), (39, 55929), (103, 21177), (117, 18643), (181, 12051), (309, 7059), (543, 4017), (927, 2353), (1339, 1629)]