28735695

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 28288305

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 659, 765, 855, 969, 1615, 1977, 2295, 2565, 2907, 3295, 4845, 5931, 8721, 9885, 11203, 12521, 14535, 17793, 29655, 33609, 37563, 43605, 56015, 62605, 88965, 100827, 112689, 168045, 187815, 212857, 302481, 338067, 504135, 563445, 638571, 1064285, 1512405, 1690335, 1915713, 3192855, 5747139, 9578565, 28735695]

約数ペア:

[(1, 28735695), (3, 9578565), (5, 5747139), (9, 3192855), (15, 1915713), (17, 1690335), (19, 1512405), (27, 1064285), (45, 638571), (51, 563445), (57, 504135), (85, 338067), (95, 302481), (135, 212857), (153, 187815), (171, 168045), (255, 112689), (285, 100827), (323, 88965), (459, 62605), (513, 56015), (659, 43605), (765, 37563), (855, 33609), (969, 29655), (1615, 17793), (1977, 14535), (2295, 12521), (2565, 11203), (2907, 9885), (3295, 8721), (4845, 5931)]