31914813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79987}}^1$

素因数の和:80016

約数の個数: 16

約数和(自身を含む): 51192320

約数和(自身を除く): 19277507

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 79987, 239961, 559909, 1519753, 1679727, 4559259, 10638271, 31914813]

約数ペア:

[(1, 31914813), (3, 10638271), (7, 4559259), (19, 1679727), (21, 1519753), (57, 559909), (133, 239961), (399, 79987)]