30921821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1468

約数の個数: 16

約数和(自身を含む): 37152000

約数和(自身を除く): 6230179

約数列:

[1, 7, 23, 149, 161, 1043, 1289, 3427, 9023, 23989, 29647, 192061, 207529, 1344427, 4417403, 30921821]

約数ペア:

[(1, 30921821), (7, 4417403), (23, 1344427), (149, 207529), (161, 192061), (1043, 29647), (1289, 23989), (3427, 9023)]