311021571

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1373}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 511259904

約数和(自身を除く): 200238333

約数列:

[1, 3, 7, 21, 23, 49, 67, 69, 147, 161, 201, 469, 483, 1127, 1373, 1407, 1541, 3283, 3381, 4119, 4623, 9611, 9849, 10787, 28833, 31579, 32361, 67277, 75509, 91991, 94737, 201831, 221053, 226527, 275973, 643937, 663159, 1547371, 1931811, 2115793, 4507559, 4642113, 6347379, 13522677, 14810551, 44431653, 103673857, 311021571]

約数ペア:

[(1, 311021571), (3, 103673857), (7, 44431653), (21, 14810551), (23, 13522677), (49, 6347379), (67, 4642113), (69, 4507559), (147, 2115793), (161, 1931811), (201, 1547371), (469, 663159), (483, 643937), (1127, 275973), (1373, 226527), (1407, 221053), (1541, 201831), (3283, 94737), (3381, 91991), (4119, 75509), (4623, 67277), (9611, 32361), (9849, 31579), (10787, 28833)]