520053261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{40531}}^1$

素因数の和:40601

約数の個数: 32

約数和(自身を含む): 871600128

約数和(自身を除く): 351546867

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 40531, 121593, 283717, 526903, 851151, 1580709, 1904957, 3688321, 5714871, 11064963, 13334699, 24764441, 40004097, 74293323, 173351087, 520053261]

約数ペア:

[(1, 520053261), (3, 173351087), (7, 74293323), (13, 40004097), (21, 24764441), (39, 13334699), (47, 11064963), (91, 5714871), (141, 3688321), (273, 1904957), (329, 1580709), (611, 851151), (987, 526903), (1833, 283717), (4277, 121593), (12831, 40531)]