1239875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 1921920

約数和(自身を除く): 682045

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 109, 125, 175, 325, 455, 545, 763, 875, 1417, 1625, 2275, 2725, 3815, 7085, 9919, 11375, 13625, 19075, 35425, 49595, 95375, 177125, 247975, 1239875]

約数ペア:

[(1, 1239875), (5, 247975), (7, 177125), (13, 95375), (25, 49595), (35, 35425), (65, 19075), (91, 13625), (109, 11375), (125, 9919), (175, 7085), (325, 3815), (455, 2725), (545, 2275), (763, 1625), (875, 1417)]