28529361

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6563}}^1$

素因数の和:6602

約数の個数: 32

約数和(自身を含む): 50411520

約数和(自身を除く): 21882159

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 6563, 19689, 45941, 59067, 137823, 150949, 177201, 413469, 452847, 1056643, 1240407, 1358541, 3169929, 4075623, 9509787, 28529361]

約数ペア:

[(1, 28529361), (3, 9509787), (7, 4075623), (9, 3169929), (21, 1358541), (23, 1240407), (27, 1056643), (63, 452847), (69, 413469), (161, 177201), (189, 150949), (207, 137823), (483, 59067), (621, 45941), (1449, 19689), (4347, 6563)]