1285494015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{387781}}^1$

素因数の和:387819

約数の個数: 32

約数和(自身を含む): 2345305536

約数和(自身を除く): 1059811521

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 387781, 1163343, 1938905, 5041153, 5816715, 6592277, 15123459, 19776831, 25205765, 32961385, 75617295, 85699601, 98884155, 257098803, 428498005, 1285494015]

約数ペア:

[(1, 1285494015), (3, 428498005), (5, 257098803), (13, 98884155), (15, 85699601), (17, 75617295), (39, 32961385), (51, 25205765), (65, 19776831), (85, 15123459), (195, 6592277), (221, 5816715), (255, 5041153), (663, 1938905), (1105, 1163343), (3315, 387781)]