245898747

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 382663008

約数和(自身を除く): 136764261

約数列:

[1, 3, 9, 27, 53, 61, 81, 159, 183, 243, 313, 477, 549, 939, 1431, 1647, 2817, 3233, 4293, 4941, 8451, 9699, 12879, 14823, 16589, 19093, 25353, 29097, 49767, 57279, 76059, 87291, 149301, 171837, 261873, 447903, 515511, 785619, 1011929, 1343709, 1546533, 3035787, 4031127, 4639599, 9107361, 27322083, 81966249, 245898747]

約数ペア:

[(1, 245898747), (3, 81966249), (9, 27322083), (27, 9107361), (53, 4639599), (61, 4031127), (81, 3035787), (159, 1546533), (183, 1343709), (243, 1011929), (313, 785619), (477, 515511), (549, 447903), (939, 261873), (1431, 171837), (1647, 149301), (2817, 87291), (3233, 76059), (4293, 57279), (4941, 49767), (8451, 29097), (9699, 25353), (12879, 19093), (14823, 16589)]