28911057

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1637}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 45654336

約数和(自身を除く): 16743279

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 841, 1637, 2523, 4911, 5887, 11459, 17661, 34377, 47473, 142419, 332311, 996933, 1376717, 4130151, 9637019, 28911057]

約数ペア:

[(1, 28911057), (3, 9637019), (7, 4130151), (21, 1376717), (29, 996933), (87, 332311), (203, 142419), (609, 47473), (841, 34377), (1637, 17661), (2523, 11459), (4911, 5887)]