54889569

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 99840832

約数和(自身を除く): 44951263

約数列:

[1, 3, 7, 9, 21, 23, 27, 61, 63, 69, 81, 161, 183, 189, 207, 243, 427, 483, 529, 549, 567, 621, 1281, 1403, 1449, 1587, 1647, 1701, 1863, 3703, 3843, 4209, 4347, 4761, 4941, 5589, 9821, 11109, 11529, 12627, 13041, 14283, 14823, 29463, 32269, 33327, 34587, 37881, 39123, 42849, 88389, 96807, 99981, 103761, 113643, 128547, 225883, 265167, 290421, 299943, 340929, 677649, 795501, 871263, 899829, 2032947, 2386503, 2613789, 6098841, 7841367, 18296523, 54889569]

約数ペア:

[(1, 54889569), (3, 18296523), (7, 7841367), (9, 6098841), (21, 2613789), (23, 2386503), (27, 2032947), (61, 899829), (63, 871263), (69, 795501), (81, 677649), (161, 340929), (183, 299943), (189, 290421), (207, 265167), (243, 225883), (427, 128547), (483, 113643), (529, 103761), (549, 99981), (567, 96807), (621, 88389), (1281, 42849), (1403, 39123), (1449, 37881), (1587, 34587), (1647, 33327), (1701, 32269), (1863, 29463), (3703, 14823), (3843, 14283), (4209, 13041), (4347, 12627), (4761, 11529), (4941, 11109), (5589, 9821)]