978789

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 1507328

約数和(自身を除く): 528539

約数列:

[1, 3, 7, 21, 127, 367, 381, 889, 1101, 2569, 2667, 7707, 46609, 139827, 326263, 978789]

約数ペア:

[(1, 978789), (3, 326263), (7, 139827), (21, 46609), (127, 7707), (367, 2667), (381, 2569), (889, 1101)]