203411985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2539}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 382219200

約数和(自身を除く): 178807215

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 109, 147, 245, 327, 545, 735, 763, 1635, 2289, 2539, 3815, 5341, 7617, 11445, 12695, 16023, 17773, 26705, 38085, 53319, 80115, 88865, 124411, 266595, 276751, 373233, 622055, 830253, 1383755, 1866165, 1937257, 4151265, 5811771, 9686285, 13560799, 29058855, 40682397, 67803995, 203411985]

約数ペア:

[(1, 203411985), (3, 67803995), (5, 40682397), (7, 29058855), (15, 13560799), (21, 9686285), (35, 5811771), (49, 4151265), (105, 1937257), (109, 1866165), (147, 1383755), (245, 830253), (327, 622055), (545, 373233), (735, 276751), (763, 266595), (1635, 124411), (2289, 88865), (2539, 80115), (3815, 53319), (5341, 38085), (7617, 26705), (11445, 17773), (12695, 16023)]