475209

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 827840

約数和(自身を除く): 352631

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 397, 399, 1191, 1197, 2779, 3573, 7543, 8337, 22629, 25011, 52801, 67887, 158403, 475209]

約数ペア:

[(1, 475209), (3, 158403), (7, 67887), (9, 52801), (19, 25011), (21, 22629), (57, 8337), (63, 7543), (133, 3573), (171, 2779), (397, 1197), (399, 1191)]