128364237

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2418

約数の個数: 32

約数和(自身を含む): 199584000

約数和(自身を除く): 71219763

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 261, 639, 783, 1917, 2059, 2309, 6177, 6927, 18531, 20781, 55593, 62343, 66961, 163939, 200883, 491817, 602649, 1475451, 1807947, 4426353, 4754231, 14262693, 42788079, 128364237]

約数ペア:

[(1, 128364237), (3, 42788079), (9, 14262693), (27, 4754231), (29, 4426353), (71, 1807947), (87, 1475451), (213, 602649), (261, 491817), (639, 200883), (783, 163939), (1917, 66961), (2059, 62343), (2309, 55593), (6177, 20781), (6927, 18531)]