1989522195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1\times {\mathrm{7499}}^1$

素因数の和:8299

約数の個数: 32

約数和(自身を含む): 3326400000

約数和(自身を除く): 1336877805

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 769, 2307, 3845, 7499, 11535, 17687, 22497, 37495, 53061, 88435, 112485, 172477, 265305, 517431, 862385, 2587155, 5766731, 17300193, 28833655, 86500965, 132634813, 397904439, 663174065, 1989522195]

約数ペア:

[(1, 1989522195), (3, 663174065), (5, 397904439), (15, 132634813), (23, 86500965), (69, 28833655), (115, 17300193), (345, 5766731), (769, 2587155), (2307, 862385), (3845, 517431), (7499, 265305), (11535, 172477), (17687, 112485), (22497, 88435), (37495, 53061)]