319226439

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{997}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 495646720

約数和(自身を除く): 176420281

約数列:

[1, 3, 7, 21, 79, 193, 237, 553, 579, 997, 1351, 1659, 2991, 4053, 6979, 15247, 20937, 45741, 78763, 106729, 192421, 236289, 320187, 551341, 577263, 1346947, 1654023, 4040841, 15201259, 45603777, 106408813, 319226439]

約数ペア:

[(1, 319226439), (3, 106408813), (7, 45603777), (21, 15201259), (79, 4040841), (193, 1654023), (237, 1346947), (553, 577263), (579, 551341), (997, 320187), (1351, 236289), (1659, 192421), (2991, 106729), (4053, 78763), (6979, 45741), (15247, 20937)]