263320005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{4007}}^1$

素因数の和:4365

約数の個数: 32

約数和(自身を含む): 455180544

約数和(自身を除く): 191860539

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 337, 1011, 1685, 4007, 4381, 5055, 12021, 13143, 20035, 21905, 52091, 60105, 65715, 156273, 260455, 781365, 1350359, 4051077, 6751795, 17554667, 20255385, 52664001, 87773335, 263320005]

約数ペア:

[(1, 263320005), (3, 87773335), (5, 52664001), (13, 20255385), (15, 17554667), (39, 6751795), (65, 4051077), (195, 1350359), (337, 781365), (1011, 260455), (1685, 156273), (4007, 65715), (4381, 60105), (5055, 52091), (12021, 21905), (13143, 20035)]