1987305

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 3364992

約数和(自身を除く): 1377687

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 367, 1083, 1101, 1805, 1835, 5415, 5505, 6973, 20919, 34865, 104595, 132487, 397461, 662435, 1987305]

約数ペア:

[(1, 1987305), (3, 662435), (5, 397461), (15, 132487), (19, 104595), (57, 34865), (95, 20919), (285, 6973), (361, 5505), (367, 5415), (1083, 1835), (1101, 1805)]