128407797

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 224852992

約数和(自身を除く): 96445195

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 217, 259, 279, 333, 651, 777, 1147, 1777, 1953, 2331, 3441, 5331, 8029, 10323, 12439, 15993, 24087, 37317, 55087, 65749, 72261, 111951, 165261, 197247, 385609, 460243, 495783, 591741, 1156827, 1380729, 2038219, 3470481, 4142187, 6114657, 14267533, 18343971, 42802599, 128407797]

約数ペア:

[(1, 128407797), (3, 42802599), (7, 18343971), (9, 14267533), (21, 6114657), (31, 4142187), (37, 3470481), (63, 2038219), (93, 1380729), (111, 1156827), (217, 591741), (259, 495783), (279, 460243), (333, 385609), (651, 197247), (777, 165261), (1147, 111951), (1777, 72261), (1953, 65749), (2331, 55087), (3441, 37317), (5331, 24087), (8029, 15993), (10323, 12439)]