421135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 32

約数和(自身を含む): 645120

約数和(自身を除く): 223985

約数列:

[1, 5, 11, 13, 19, 31, 55, 65, 95, 143, 155, 209, 247, 341, 403, 589, 715, 1045, 1235, 1705, 2015, 2717, 2945, 4433, 6479, 7657, 13585, 22165, 32395, 38285, 84227, 421135]

約数ペア:

[(1, 421135), (5, 84227), (11, 38285), (13, 32395), (19, 22165), (31, 13585), (55, 7657), (65, 6479), (95, 4433), (143, 2945), (155, 2717), (209, 2015), (247, 1705), (341, 1235), (403, 1045), (589, 715)]