197358399

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{6977}}^1$

素因数の和:7439

約数の個数: 24

約数和(自身を含む): 326570400

約数和(自身を除く): 129212001

約数列:

[1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 6977, 9429, 20931, 28287, 48839, 62793, 146517, 439551, 3132673, 9398019, 21928711, 28194057, 65786133, 197358399]

約数ペア:

[(1, 197358399), (3, 65786133), (7, 28194057), (9, 21928711), (21, 9398019), (63, 3132673), (449, 439551), (1347, 146517), (3143, 62793), (4041, 48839), (6977, 28287), (9429, 20931)]