28753305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 52835328

約数和(自身を除く): 24082023

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 1091, 1255, 1757, 3273, 3765, 5271, 5455, 7637, 8785, 16365, 22911, 26355, 38185, 114555, 273841, 821523, 1369205, 1916887, 4107615, 5750661, 9584435, 28753305]

約数ペア:

[(1, 28753305), (3, 9584435), (5, 5750661), (7, 4107615), (15, 1916887), (21, 1369205), (35, 821523), (105, 273841), (251, 114555), (753, 38185), (1091, 26355), (1255, 22911), (1757, 16365), (3273, 8785), (3765, 7637), (5271, 5455)]