7142961

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 11600640

約数和(自身を除く): 4457679

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 317, 609, 777, 951, 1073, 2219, 3219, 6657, 7511, 9193, 11729, 22533, 27579, 35187, 64351, 82103, 193053, 246309, 340141, 1020423, 2380987, 7142961]

約数ペア:

[(1, 7142961), (3, 2380987), (7, 1020423), (21, 340141), (29, 246309), (37, 193053), (87, 82103), (111, 64351), (203, 35187), (259, 27579), (317, 22533), (609, 11729), (777, 9193), (951, 7511), (1073, 6657), (2219, 3219)]