42870821

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 55618560

約数和(自身を除く): 12747739

約数列:

[1, 7, 17, 19, 67, 119, 133, 283, 323, 469, 1139, 1273, 1981, 2261, 4811, 5377, 7973, 8911, 18961, 21641, 33677, 37639, 91409, 132727, 151487, 322337, 360259, 639863, 2256359, 2521813, 6124403, 42870821]

約数ペア:

[(1, 42870821), (7, 6124403), (17, 2521813), (19, 2256359), (67, 639863), (119, 360259), (133, 322337), (283, 151487), (323, 132727), (469, 91409), (1139, 37639), (1273, 33677), (1981, 21641), (2261, 18961), (4811, 8911), (5377, 7973)]