74689839

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 128128000

約数和(自身を除く): 53438161

約数列:

[1, 3, 7, 9, 21, 43, 63, 79, 129, 237, 301, 349, 387, 553, 711, 903, 1047, 1659, 2443, 2709, 3141, 3397, 4977, 7329, 10191, 15007, 21987, 23779, 27571, 30573, 45021, 71337, 82713, 105049, 135063, 192997, 214011, 248139, 315147, 578991, 945441, 1185553, 1736973, 3556659, 8298871, 10669977, 24896613, 74689839]

約数ペア:

[(1, 74689839), (3, 24896613), (7, 10669977), (9, 8298871), (21, 3556659), (43, 1736973), (63, 1185553), (79, 945441), (129, 578991), (237, 315147), (301, 248139), (349, 214011), (387, 192997), (553, 135063), (711, 105049), (903, 82713), (1047, 71337), (1659, 45021), (2443, 30573), (2709, 27571), (3141, 23779), (3397, 21987), (4977, 15007), (7329, 10191)]