12778965

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 23173920

約数和(自身を除く): 10394955

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 227, 405, 417, 681, 695, 1135, 1251, 2043, 2085, 3405, 3753, 6129, 6255, 10215, 11259, 18387, 18765, 30645, 31553, 56295, 91935, 94659, 157765, 283977, 473295, 851931, 1419885, 2555793, 4259655, 12778965]

約数ペア:

[(1, 12778965), (3, 4259655), (5, 2555793), (9, 1419885), (15, 851931), (27, 473295), (45, 283977), (81, 157765), (135, 94659), (139, 91935), (227, 56295), (405, 31553), (417, 30645), (681, 18765), (695, 18387), (1135, 11259), (1251, 10215), (2043, 6255), (2085, 6129), (3405, 3753)]