25221777

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 40673280

約数和(自身を除く): 15451503

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 661, 1659, 1817, 1983, 4627, 5451, 12719, 13881, 15203, 38157, 45609, 52219, 106421, 156657, 319263, 365533, 1096599, 1201037, 3603111, 8407259, 25221777]

約数ペア:

[(1, 25221777), (3, 8407259), (7, 3603111), (21, 1201037), (23, 1096599), (69, 365533), (79, 319263), (161, 156657), (237, 106421), (483, 52219), (553, 45609), (661, 38157), (1659, 15203), (1817, 13881), (1983, 12719), (4627, 5451)]