387492021

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{91801}}^1$

素因数の和:91881

約数の個数: 24

約数和(自身を含む): 649223744

約数和(自身を除く): 261731723

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 91801, 275403, 642607, 826209, 1927821, 5783463, 6150667, 18452001, 43054669, 55356003, 129164007, 387492021]

約数ペア:

[(1, 387492021), (3, 129164007), (7, 55356003), (9, 43054669), (21, 18452001), (63, 6150667), (67, 5783463), (201, 1927821), (469, 826209), (603, 642607), (1407, 275403), (4221, 91801)]