201291741

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 342311424

約数和(自身を除く): 141019683

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 157, 329, 423, 433, 471, 987, 1099, 1299, 1413, 2961, 3031, 3297, 3897, 7379, 9093, 9891, 20351, 22137, 27279, 51653, 61053, 66411, 67981, 142457, 154959, 183159, 203943, 427371, 464877, 475867, 611829, 1282113, 1427601, 3195107, 4282803, 9585321, 22365749, 28755963, 67097247, 201291741]

約数ペア:

[(1, 201291741), (3, 67097247), (7, 28755963), (9, 22365749), (21, 9585321), (47, 4282803), (63, 3195107), (141, 1427601), (157, 1282113), (329, 611829), (423, 475867), (433, 464877), (471, 427371), (987, 203943), (1099, 183159), (1299, 154959), (1413, 142457), (2961, 67981), (3031, 66411), (3297, 61053), (3897, 51653), (7379, 27279), (9093, 22137), (9891, 20351)]