1691391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 2508800

約数和(自身を除く): 817409

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1399, 4197, 18187, 43369, 54561, 130107, 563797, 1691391]

約数ペア:

[(1, 1691391), (3, 563797), (13, 130107), (31, 54561), (39, 43369), (93, 18187), (403, 4197), (1209, 1399)]