997557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 32

約数和(自身を含む): 1605120

約数和(自身を除く): 607563

約数列:

[1, 3, 11, 19, 33, 37, 43, 57, 111, 129, 209, 407, 473, 627, 703, 817, 1221, 1419, 1591, 2109, 2451, 4773, 7733, 8987, 17501, 23199, 26961, 30229, 52503, 90687, 332519, 997557]

約数ペア:

[(1, 997557), (3, 332519), (11, 90687), (19, 52503), (33, 30229), (37, 26961), (43, 23199), (57, 17501), (111, 8987), (129, 7733), (209, 4773), (407, 2451), (473, 2109), (627, 1591), (703, 1419), (817, 1221)]