2278935

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 4338576

約数和(自身を除く): 2059641

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 331, 405, 459, 765, 993, 1377, 1655, 2295, 2979, 4965, 5627, 6885, 8937, 14895, 16881, 26811, 28135, 44685, 50643, 84405, 134055, 151929, 253215, 455787, 759645, 2278935]

約数ペア:

[(1, 2278935), (3, 759645), (5, 455787), (9, 253215), (15, 151929), (17, 134055), (27, 84405), (45, 50643), (51, 44685), (81, 28135), (85, 26811), (135, 16881), (153, 14895), (255, 8937), (331, 6885), (405, 5627), (459, 4965), (765, 2979), (993, 2295), (1377, 1655)]