1320813

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 2177280

約数和(自身を除く): 856467

約数列:

[1, 3, 9, 13, 27, 39, 53, 71, 117, 159, 213, 351, 477, 639, 689, 923, 1431, 1917, 2067, 2769, 3763, 6201, 8307, 11289, 18603, 24921, 33867, 48919, 101601, 146757, 440271, 1320813]

約数ペア:

[(1, 1320813), (3, 440271), (9, 146757), (13, 101601), (27, 48919), (39, 33867), (53, 24921), (71, 18603), (117, 11289), (159, 8307), (213, 6201), (351, 3763), (477, 2769), (639, 2067), (689, 1917), (923, 1431)]