40905243

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{1447}}^1$

素因数の和:1808

約数の個数: 20

約数和(自身を含む): 61322800

約数和(自身を除く): 20417557

約数列:

[1, 3, 9, 27, 81, 349, 1047, 1447, 3141, 4341, 9423, 13023, 28269, 39069, 117207, 505003, 1515009, 4545027, 13635081, 40905243]

約数ペア:

[(1, 40905243), (3, 13635081), (9, 4545027), (27, 1515009), (81, 505003), (349, 117207), (1047, 39069), (1447, 28269), (3141, 13023), (4341, 9423)]