71982009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1493}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 113735232

約数和(自身を除く): 41753223

約数列:

[1, 3, 9, 11, 33, 99, 487, 1461, 1493, 4383, 4479, 5357, 13437, 16071, 16423, 48213, 49269, 147807, 727091, 2181273, 6543819, 7998001, 23994003, 71982009]

約数ペア:

[(1, 71982009), (3, 23994003), (9, 7998001), (11, 6543819), (33, 2181273), (99, 727091), (487, 147807), (1461, 49269), (1493, 48213), (4383, 16423), (4479, 16071), (5357, 13437)]