18401499

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1616

約数の個数: 20

約数和(自身を含む): 27682864

約数和(自身を除く): 9281365

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1447, 4239, 4341, 12717, 13023, 39069, 117207, 227179, 681537, 2044611, 6133833, 18401499]

約数ペア:

[(1, 18401499), (3, 6133833), (9, 2044611), (27, 681537), (81, 227179), (157, 117207), (471, 39069), (1413, 13023), (1447, 12717), (4239, 4341)]