8278137

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 14826240

約数和(自身を除く): 6548103

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 197, 203, 207, 261, 483, 591, 609, 667, 1379, 1449, 1773, 1827, 2001, 4137, 4531, 4669, 5713, 6003, 12411, 13593, 14007, 17139, 31717, 39991, 40779, 42021, 51417, 95151, 119973, 131399, 285453, 359919, 394197, 919793, 1182591, 2759379, 8278137]

約数ペア:

[(1, 8278137), (3, 2759379), (7, 1182591), (9, 919793), (21, 394197), (23, 359919), (29, 285453), (63, 131399), (69, 119973), (87, 95151), (161, 51417), (197, 42021), (203, 40779), (207, 39991), (261, 31717), (483, 17139), (591, 14007), (609, 13593), (667, 12411), (1379, 6003), (1449, 5713), (1773, 4669), (1827, 4531), (2001, 4137)]