1278338685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{28627}}^1$

素因数の和:28877

約数の個数: 32

約数和(自身を含む): 2212371840

約数和(自身を除く): 934033155

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 229, 687, 1145, 2977, 3435, 8931, 14885, 28627, 44655, 85881, 143135, 372151, 429405, 1116453, 1860755, 5582265, 6555583, 19666749, 32777915, 85222579, 98333745, 255667737, 426112895, 1278338685]

約数ペア:

[(1, 1278338685), (3, 426112895), (5, 255667737), (13, 98333745), (15, 85222579), (39, 32777915), (65, 19666749), (195, 6555583), (229, 5582265), (687, 1860755), (1145, 1116453), (2977, 429405), (3435, 372151), (8931, 143135), (14885, 85881), (28627, 44655)]