7980273

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 13261248

約数和(自身を除く): 5280975

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 643, 1379, 1773, 1929, 4137, 4501, 5787, 12411, 13503, 40509, 126671, 380013, 886697, 1140039, 2660091, 7980273]

約数ペア:

[(1, 7980273), (3, 2660091), (7, 1140039), (9, 886697), (21, 380013), (63, 126671), (197, 40509), (591, 13503), (643, 12411), (1379, 5787), (1773, 4501), (1929, 4137)]