217962115

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{214741}}^1$

素因数の和:214782

約数の個数: 16

約数和(自身を含む): 309228480

約数和(自身を除く): 91266365

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 214741, 1073705, 1503187, 6227489, 7515935, 31137445, 43592423, 217962115]

約数ペア:

[(1, 217962115), (5, 43592423), (7, 31137445), (29, 7515935), (35, 6227489), (145, 1503187), (203, 1073705), (1015, 214741)]