81766314

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 208896000

約数和(自身を除く): 127129686

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 199, 378, 398, 597, 1087, 1194, 1393, 1791, 2174, 2786, 3261, 3582, 4179, 5373, 6522, 7609, 8358, 9783, 10746, 12537, 15218, 19566, 22827, 25074, 29349, 37611, 45654, 58698, 68481, 75222, 136962, 205443, 216313, 410886, 432626, 648939, 1297878, 1514191, 1946817, 3028382, 3893634, 4542573, 5840451, 9085146, 11680902, 13627719, 27255438, 40883157, 81766314]

約数ペア:

[(1, 81766314), (2, 40883157), (3, 27255438), (6, 13627719), (7, 11680902), (9, 9085146), (14, 5840451), (18, 4542573), (21, 3893634), (27, 3028382), (42, 1946817), (54, 1514191), (63, 1297878), (126, 648939), (189, 432626), (199, 410886), (378, 216313), (398, 205443), (597, 136962), (1087, 75222), (1194, 68481), (1393, 58698), (1791, 45654), (2174, 37611), (2786, 29349), (3261, 25074), (3582, 22827), (4179, 19566), (5373, 15218), (6522, 12537), (7609, 10746), (8358, 9783)]