13871781

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 25703808

約数和(自身を除く): 11832027

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 541, 693, 777, 1221, 1623, 2331, 2849, 3663, 3787, 4869, 5951, 8547, 11361, 17853, 20017, 25641, 34083, 41657, 53559, 60051, 124971, 140119, 180153, 220187, 374913, 420357, 660561, 1261071, 1541309, 1981683, 4623927, 13871781]

約数ペア:

[(1, 13871781), (3, 4623927), (7, 1981683), (9, 1541309), (11, 1261071), (21, 660561), (33, 420357), (37, 374913), (63, 220187), (77, 180153), (99, 140119), (111, 124971), (231, 60051), (259, 53559), (333, 41657), (407, 34083), (541, 25641), (693, 20017), (777, 17853), (1221, 11361), (1623, 8547), (2331, 5951), (2849, 4869), (3663, 3787)]