828991863

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{424471}}^1$

素因数の和:424515

約数の個数: 24

約数和(自身を含む): 1412642816

約数和(自身を除く): 583650953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 424471, 1273413, 2971297, 3820239, 8913891, 13158601, 26741673, 39475803, 92110207, 118427409, 276330621, 828991863]

約数ペア:

[(1, 828991863), (3, 276330621), (7, 118427409), (9, 92110207), (21, 39475803), (31, 26741673), (63, 13158601), (93, 8913891), (217, 3820239), (279, 2971297), (651, 1273413), (1953, 424471)]