72647307

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 114773760

約数和(自身を除く): 42126453

約数列:

[1, 3, 9, 17, 27, 51, 153, 163, 459, 489, 971, 1467, 2771, 2913, 4401, 8313, 8739, 16507, 24939, 26217, 49521, 74817, 148563, 158273, 445689, 474819, 1424457, 2690641, 4273371, 8071923, 24215769, 72647307]

約数ペア:

[(1, 72647307), (3, 24215769), (9, 8071923), (17, 4273371), (27, 2690641), (51, 1424457), (153, 474819), (163, 445689), (459, 158273), (489, 148563), (971, 74817), (1467, 49521), (2771, 26217), (2913, 24939), (4401, 16507), (8313, 8739)]