28431249

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 48620544

約数和(自身を除く): 20189295

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 121, 167, 201, 231, 363, 469, 501, 737, 847, 1169, 1407, 1837, 2211, 2541, 3507, 5159, 5511, 8107, 11189, 12859, 15477, 20207, 24321, 33567, 38577, 56749, 60621, 78323, 123079, 141449, 170247, 234969, 369237, 424347, 861553, 1353869, 2584659, 4061607, 9477083, 28431249]

約数ペア:

[(1, 28431249), (3, 9477083), (7, 4061607), (11, 2584659), (21, 1353869), (33, 861553), (67, 424347), (77, 369237), (121, 234969), (167, 170247), (201, 141449), (231, 123079), (363, 78323), (469, 60621), (501, 56749), (737, 38577), (847, 33567), (1169, 24321), (1407, 20207), (1837, 15477), (2211, 12859), (2541, 11189), (3507, 8107), (5159, 5511)]