28091763

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19387}}^1$

素因数の和:19423

約数の個数: 24

約数和(自身を含む): 48392448

約数和(自身を除く): 20300685

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19387, 58161, 135709, 174483, 407127, 445901, 1221381, 1337703, 3121307, 4013109, 9363921, 28091763]

約数ペア:

[(1, 28091763), (3, 9363921), (7, 4013109), (9, 3121307), (21, 1337703), (23, 1221381), (63, 445901), (69, 407127), (161, 174483), (207, 135709), (483, 58161), (1449, 19387)]