27987625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 8913239

約数列:

[1, 5, 25, 41, 43, 125, 127, 205, 215, 635, 1025, 1075, 1763, 3175, 5125, 5207, 5375, 5461, 8815, 15875, 26035, 27305, 44075, 130175, 136525, 220375, 223901, 650875, 682625, 1119505, 5597525, 27987625]

約数ペア:

[(1, 27987625), (5, 5597525), (25, 1119505), (41, 682625), (43, 650875), (125, 223901), (127, 220375), (205, 136525), (215, 130175), (635, 44075), (1025, 27305), (1075, 26035), (1763, 15875), (3175, 8815), (5125, 5461), (5207, 5375)]