999775

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 1473120

約数和(自身を除く): 473345

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 197, 203, 725, 985, 1015, 1379, 4925, 5075, 5713, 6895, 28565, 34475, 39991, 142825, 199955, 999775]

約数ペア:

[(1, 999775), (5, 199955), (7, 142825), (25, 39991), (29, 34475), (35, 28565), (145, 6895), (175, 5713), (197, 5075), (203, 4925), (725, 1379), (985, 1015)]