128404791

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12163}}^1$

素因数の和:12212

約数の個数: 32

約数和(自身を含む): 210193920

約数和(自身を除く): 81789129

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519, 10557, 12163, 36489, 109467, 206771, 279749, 328401, 620313, 839247, 1860939, 2517741, 4755733, 5582817, 7553223, 14267199, 42801597, 128404791]

約数ペア:

[(1, 128404791), (3, 42801597), (9, 14267199), (17, 7553223), (23, 5582817), (27, 4755733), (51, 2517741), (69, 1860939), (153, 839247), (207, 620313), (391, 328401), (459, 279749), (621, 206771), (1173, 109467), (3519, 36489), (10557, 12163)]