389634273

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108503}}^1$

素因数の和:108538

約数の個数: 32

約数和(自身を含む): 694425600

約数和(自身を除く): 304791327

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 108503, 325509, 759521, 976527, 2061557, 2278563, 2929581, 6184671, 6835689, 14430899, 18554013, 20507067, 43292697, 55662039, 129878091, 389634273]

約数ペア:

[(1, 389634273), (3, 129878091), (7, 55662039), (9, 43292697), (19, 20507067), (21, 18554013), (27, 14430899), (57, 6835689), (63, 6184671), (133, 2929581), (171, 2278563), (189, 2061557), (399, 976527), (513, 759521), (1197, 325509), (3591, 108503)]