1989393

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 3083136

約数和(自身を除く): 1093743

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1553, 4659, 10871, 32613, 94733, 284199, 663131, 1989393]

約数ペア:

[(1, 1989393), (3, 663131), (7, 284199), (21, 94733), (61, 32613), (183, 10871), (427, 4659), (1281, 1553)]