7997997

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 13178880

約数和(自身を除く): 5180883

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 571, 609, 667, 1713, 2001, 3997, 4669, 11991, 13133, 14007, 16559, 39399, 49677, 91931, 115913, 275793, 347739, 380857, 1142571, 2665999, 7997997]

約数ペア:

[(1, 7997997), (3, 2665999), (7, 1142571), (21, 380857), (23, 347739), (29, 275793), (69, 115913), (87, 91931), (161, 49677), (203, 39399), (483, 16559), (571, 14007), (609, 13133), (667, 11991), (1713, 4669), (2001, 3997)]