12728955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 21830400

約数和(自身を除く): 9101445

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 757, 885, 1121, 2271, 3363, 3785, 5605, 11355, 14383, 16815, 43149, 44663, 71915, 133989, 215745, 223315, 669945, 848597, 2545791, 4242985, 12728955]

約数ペア:

[(1, 12728955), (3, 4242985), (5, 2545791), (15, 848597), (19, 669945), (57, 223315), (59, 215745), (95, 133989), (177, 71915), (285, 44663), (295, 43149), (757, 16815), (885, 14383), (1121, 11355), (2271, 5605), (3363, 3785)]