128415501

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 203860800

約数和(自身を除く): 75445299

約数列:

[1, 3, 9, 17, 43, 51, 129, 131, 149, 153, 387, 393, 447, 731, 1179, 1341, 2193, 2227, 2533, 5633, 6407, 6579, 6681, 7599, 16899, 19221, 19519, 20043, 22797, 50697, 57663, 58557, 95761, 108919, 175671, 287283, 326757, 331823, 839317, 861849, 980271, 995469, 2517951, 2986407, 7553853, 14268389, 42805167, 128415501]

約数ペア:

[(1, 128415501), (3, 42805167), (9, 14268389), (17, 7553853), (43, 2986407), (51, 2517951), (129, 995469), (131, 980271), (149, 861849), (153, 839317), (387, 331823), (393, 326757), (447, 287283), (731, 175671), (1179, 108919), (1341, 95761), (2193, 58557), (2227, 57663), (2533, 50697), (5633, 22797), (6407, 20043), (6579, 19519), (6681, 19221), (7599, 16899)]