31887513

素因数分解:

$3^4\times 7^1\times {\mathrm{56239}}^1$

素因数の和:56258

約数の個数: 20

約数和(自身を含む): 54440320

約数和(自身を除く): 22552807

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 56239, 168717, 393673, 506151, 1181019, 1518453, 3543057, 4555359, 10629171, 31887513]

約数ペア:

[(1, 31887513), (3, 10629171), (7, 4555359), (9, 3543057), (21, 1518453), (27, 1181019), (63, 506151), (81, 393673), (189, 168717), (567, 56239)]