1218789

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 2070432

約数和(自身を除く): 851643

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 947, 1287, 2841, 8523, 10417, 12311, 31251, 36933, 93753, 110799, 135421, 406263, 1218789]

約数ペア:

[(1, 1218789), (3, 406263), (9, 135421), (11, 110799), (13, 93753), (33, 36933), (39, 31251), (99, 12311), (117, 10417), (143, 8523), (429, 2841), (947, 1287)]