81312012

素因数分解:

$2^2\times 3^4\times {\mathrm{250963}}^1$

素因数の和:250979

約数の個数: 30

約数和(自身を含む): 212566508

約数和(自身を除く): 131254496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250963, 501926, 752889, 1003852, 1505778, 2258667, 3011556, 4517334, 6776001, 9034668, 13552002, 20328003, 27104004, 40656006, 81312012]

約数ペア:

[(1, 81312012), (2, 40656006), (3, 27104004), (4, 20328003), (6, 13552002), (9, 9034668), (12, 6776001), (18, 4517334), (27, 3011556), (36, 2258667), (54, 1505778), (81, 1003852), (108, 752889), (162, 501926), (324, 250963)]