288514845

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20749}}^1$

素因数の和:20866

約数の個数: 32

約数和(自身を含む): 517920000

約数和(自身を除く): 229405155

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 20749, 62247, 103745, 186741, 311235, 560223, 933705, 2137147, 2801115, 6411441, 10685735, 19234323, 32057205, 57702969, 96171615, 288514845]

約数ペア:

[(1, 288514845), (3, 96171615), (5, 57702969), (9, 32057205), (15, 19234323), (27, 10685735), (45, 6411441), (103, 2801115), (135, 2137147), (309, 933705), (515, 560223), (927, 311235), (1545, 186741), (2781, 103745), (4635, 62247), (13905, 20749)]