291268971

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 498600960

約数和(自身を除く): 207331989

約数列:

[1, 3, 7, 9, 21, 43, 63, 79, 129, 237, 301, 387, 553, 711, 903, 1361, 1659, 2709, 3397, 4083, 4977, 9527, 10191, 12249, 23779, 28581, 30573, 58523, 71337, 85743, 107519, 175569, 214011, 322557, 409661, 526707, 752633, 967671, 1228983, 2257899, 3686949, 4623317, 6773697, 13869951, 32363219, 41609853, 97089657, 291268971]

約数ペア:

[(1, 291268971), (3, 97089657), (7, 41609853), (9, 32363219), (21, 13869951), (43, 6773697), (63, 4623317), (79, 3686949), (129, 2257899), (237, 1228983), (301, 967671), (387, 752633), (553, 526707), (711, 409661), (903, 322557), (1361, 214011), (1659, 175569), (2709, 107519), (3397, 85743), (4083, 71337), (4977, 58523), (9527, 30573), (10191, 28581), (12249, 23779)]