28569681

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1033}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 47315840

約数和(自身を除く): 18746159

約数列:

[1, 3, 7, 9, 21, 63, 439, 1033, 1317, 3073, 3099, 3951, 7231, 9219, 9297, 21693, 27657, 65079, 453487, 1360461, 3174409, 4081383, 9523227, 28569681]

約数ペア:

[(1, 28569681), (3, 9523227), (7, 4081383), (9, 3174409), (21, 1360461), (63, 453487), (439, 65079), (1033, 27657), (1317, 21693), (3073, 9297), (3099, 9219), (3951, 7231)]