977697783

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{86837}}^1$

素因数の和:86988

約数の個数: 20

約数和(自身を含む): 1471035720

約数和(自身を除く): 493337937

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 86837, 260511, 781533, 2344599, 7033797, 12070343, 36211029, 108633087, 325899261, 977697783]

約数ペア:

[(1, 977697783), (3, 325899261), (9, 108633087), (27, 36211029), (81, 12070343), (139, 7033797), (417, 2344599), (1251, 781533), (3753, 260511), (11259, 86837)]