447980589

素因数分解:

$3^2\times 7^2\times {\mathrm{1015829}}^1$

素因数の和:1015849

約数の個数: 18

約数和(自身を含む): 752730030

約数和(自身を除く): 304749441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1015829, 3047487, 7110803, 9142461, 21332409, 49775621, 63997227, 149326863, 447980589]

約数ペア:

[(1, 447980589), (3, 149326863), (7, 63997227), (9, 49775621), (21, 21332409), (49, 9142461), (63, 7110803), (147, 3047487), (441, 1015829)]