16625007

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 28749600

約数和(自身を除く): 12124593

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 269, 327, 567, 763, 807, 981, 1883, 2289, 2421, 2943, 5649, 6867, 7263, 8829, 16947, 20601, 21789, 29321, 50841, 61803, 87963, 152523, 205247, 263889, 615741, 791667, 1847223, 2375001, 5541669, 16625007]

約数ペア:

[(1, 16625007), (3, 5541669), (7, 2375001), (9, 1847223), (21, 791667), (27, 615741), (63, 263889), (81, 205247), (109, 152523), (189, 87963), (269, 61803), (327, 50841), (567, 29321), (763, 21789), (807, 20601), (981, 16947), (1883, 8829), (2289, 7263), (2421, 6867), (2943, 5649)]