201850509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{971}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 324725760

約数和(自身を除く): 122875251

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 521, 971, 1563, 2913, 3647, 6797, 9899, 10941, 18449, 20391, 29697, 55347, 69293, 129143, 207879, 387429, 505891, 1517673, 3541237, 9611929, 10623711, 28835787, 67283503, 201850509]

約数ペア:

[(1, 201850509), (3, 67283503), (7, 28835787), (19, 10623711), (21, 9611929), (57, 3541237), (133, 1517673), (399, 505891), (521, 387429), (971, 207879), (1563, 129143), (2913, 69293), (3647, 55347), (6797, 29697), (9899, 20391), (10941, 18449)]