42957621

素因数分解:

$3^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 73877760

約数和(自身を除く): 30920139

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 239, 317, 567, 717, 951, 1673, 2151, 2219, 2853, 5019, 6453, 6657, 8559, 15057, 19359, 19971, 25677, 45171, 59913, 75763, 135513, 179739, 227289, 530341, 681867, 1591023, 2045601, 4773069, 6136803, 14319207, 42957621]

約数ペア:

[(1, 42957621), (3, 14319207), (7, 6136803), (9, 4773069), (21, 2045601), (27, 1591023), (63, 681867), (81, 530341), (189, 227289), (239, 179739), (317, 135513), (567, 75763), (717, 59913), (951, 45171), (1673, 25677), (2151, 19971), (2219, 19359), (2853, 15057), (5019, 8559), (6453, 6657)]