278360793

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{15139}}^1$

素因数の和:15378

約数の個数: 20

約数和(自身を含む): 417682320

約数和(自身を除く): 139321527

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 6129, 15139, 18387, 45417, 136251, 408753, 1226259, 3436553, 10309659, 30928977, 92786931, 278360793]

約数ペア:

[(1, 278360793), (3, 92786931), (9, 30928977), (27, 10309659), (81, 3436553), (227, 1226259), (681, 408753), (2043, 136251), (6129, 45417), (15139, 18387)]