1807353

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 20

約数和(自身を含む): 2757348

約数和(自身を除く): 949995

約数列:

[1, 3, 9, 27, 53, 81, 159, 421, 477, 1263, 1431, 3789, 4293, 11367, 22313, 34101, 66939, 200817, 602451, 1807353]

約数ペア:

[(1, 1807353), (3, 602451), (9, 200817), (27, 66939), (53, 34101), (81, 22313), (159, 11367), (421, 4293), (477, 3789), (1263, 1431)]