2856645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 5616000

約数和(自身を除く): 2759355

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 199, 261, 319, 435, 495, 597, 957, 995, 1305, 1595, 1791, 2189, 2871, 2985, 4785, 5771, 6567, 8955, 10945, 14355, 17313, 19701, 28855, 32835, 51939, 63481, 86565, 98505, 190443, 259695, 317405, 571329, 952215, 2856645]

約数ペア:

[(1, 2856645), (3, 952215), (5, 571329), (9, 317405), (11, 259695), (15, 190443), (29, 98505), (33, 86565), (45, 63481), (55, 51939), (87, 32835), (99, 28855), (145, 19701), (165, 17313), (199, 14355), (261, 10945), (319, 8955), (435, 6567), (495, 5771), (597, 4785), (957, 2985), (995, 2871), (1305, 2189), (1595, 1791)]