263055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 32

約数和(自身を含む): 483840

約数和(自身を除く): 220785

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 71, 95, 195, 213, 247, 285, 355, 741, 923, 1065, 1235, 1349, 2769, 3705, 4047, 4615, 6745, 13845, 17537, 20235, 52611, 87685, 263055]

約数ペア:

[(1, 263055), (3, 87685), (5, 52611), (13, 20235), (15, 17537), (19, 13845), (39, 6745), (57, 4615), (65, 4047), (71, 3705), (95, 2769), (195, 1349), (213, 1235), (247, 1065), (285, 923), (355, 741)]