31884321

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19219}}^1$

素因数の和:19308

約数の個数: 16

約数和(自身を含む): 49203200

約数和(自身を除く): 17318879

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 19219, 57657, 134533, 403599, 1518301, 4554903, 10628107, 31884321]

約数ペア:

[(1, 31884321), (3, 10628107), (7, 4554903), (21, 1518301), (79, 403599), (237, 134533), (553, 57657), (1659, 19219)]