16289973

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 29286400

約数和(自身を除く): 12996427

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 439, 589, 651, 1197, 1317, 1767, 1953, 3073, 3951, 4123, 5301, 8341, 9219, 12369, 13609, 25023, 27657, 37107, 40827, 58387, 75069, 95263, 122481, 175161, 258571, 285789, 525483, 775713, 857367, 1809997, 2327139, 5429991, 16289973]

約数ペア:

[(1, 16289973), (3, 5429991), (7, 2327139), (9, 1809997), (19, 857367), (21, 775713), (31, 525483), (57, 285789), (63, 258571), (93, 175161), (133, 122481), (171, 95263), (217, 75069), (279, 58387), (399, 40827), (439, 37107), (589, 27657), (651, 25023), (1197, 13609), (1317, 12369), (1767, 9219), (1953, 8341), (3073, 5301), (3951, 4123)]