990959949

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{234769}}^1$

素因数の和:234849

約数の個数: 24

約数和(自身を含む): 1660293440

約数和(自身を除く): 669333491

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 234769, 704307, 1643383, 2112921, 4930149, 14790447, 15729523, 47188569, 110106661, 141565707, 330319983, 990959949]

約数ペア:

[(1, 990959949), (3, 330319983), (7, 141565707), (9, 110106661), (21, 47188569), (63, 15729523), (67, 14790447), (201, 4930149), (469, 2112921), (603, 1643383), (1407, 704307), (4221, 234769)]