12386955

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 24295680

約数和(自身を除く): 11908725

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 887, 931, 1995, 2661, 2793, 4435, 4655, 6209, 13305, 13965, 16853, 18627, 31045, 43463, 50559, 84265, 93135, 117971, 130389, 217315, 252795, 353913, 589855, 651945, 825797, 1769565, 2477391, 4128985, 12386955]

約数ペア:

[(1, 12386955), (3, 4128985), (5, 2477391), (7, 1769565), (15, 825797), (19, 651945), (21, 589855), (35, 353913), (49, 252795), (57, 217315), (95, 130389), (105, 117971), (133, 93135), (147, 84265), (245, 50559), (285, 43463), (399, 31045), (665, 18627), (735, 16853), (887, 13965), (931, 13305), (1995, 6209), (2661, 4655), (2793, 4435)]