28587069

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15647}}^1$

素因数の和:15689

約数の個数: 24

約数和(自身を含む): 48821760

約数和(自身を除く): 20234691

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15647, 46941, 109529, 140823, 328587, 453763, 985761, 1361289, 3176341, 4083867, 9529023, 28587069]

約数ペア:

[(1, 28587069), (3, 9529023), (7, 4083867), (9, 3176341), (21, 1361289), (29, 985761), (63, 453763), (87, 328587), (203, 140823), (261, 109529), (609, 46941), (1827, 15647)]