1216551

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3078

約数の個数: 16

約数和(自身を含む): 1952000

約数和(自身を除く): 735449

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3049, 9147, 21343, 57931, 64029, 173793, 405517, 1216551]

約数ペア:

[(1, 1216551), (3, 405517), (7, 173793), (19, 64029), (21, 57931), (57, 21343), (133, 9147), (399, 3049)]