245652021

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{5821}}^1$

素因数の和:6354

約数の個数: 20

約数和(自身を含む): 367729164

約数和(自身を除く): 122077143

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 5821, 14067, 17463, 42201, 52389, 157167, 471501, 3032741, 9098223, 27294669, 81884007, 245652021]

約数ペア:

[(1, 245652021), (3, 81884007), (9, 27294669), (27, 9098223), (81, 3032741), (521, 471501), (1563, 157167), (4689, 52389), (5821, 42201), (14067, 17463)]