130267921

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 157593600

約数和(自身を除く): 27325679

約数列:

[1, 7, 31, 49, 191, 217, 449, 1337, 1519, 3143, 5921, 9359, 13919, 22001, 41447, 85759, 97433, 290129, 600313, 682031, 2658529, 4202191, 18609703, 130267921]

約数ペア:

[(1, 130267921), (7, 18609703), (31, 4202191), (49, 2658529), (191, 682031), (217, 600313), (449, 290129), (1337, 97433), (1519, 85759), (3143, 41447), (5921, 22001), (9359, 13919)]