81232956

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11939}}^1$

素因数の和:11965

約数の個数: 72

約数和(自身を含む): 243384960

約数和(自身を除く): 162152004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 11939, 23878, 35817, 47756, 71634, 83573, 107451, 143268, 167146, 214902, 250719, 322353, 334292, 429804, 501438, 644706, 752157, 967059, 1002876, 1289412, 1504314, 1934118, 2256471, 2901177, 3008628, 3868236, 4512942, 5802354, 6769413, 9025884, 11604708, 13538826, 20308239, 27077652, 40616478, 81232956]

約数ペア:

[(1, 81232956), (2, 40616478), (3, 27077652), (4, 20308239), (6, 13538826), (7, 11604708), (9, 9025884), (12, 6769413), (14, 5802354), (18, 4512942), (21, 3868236), (27, 3008628), (28, 2901177), (36, 2256471), (42, 1934118), (54, 1504314), (63, 1289412), (81, 1002876), (84, 967059), (108, 752157), (126, 644706), (162, 501438), (189, 429804), (243, 334292), (252, 322353), (324, 250719), (378, 214902), (486, 167146), (567, 143268), (756, 107451), (972, 83573), (1134, 71634), (1701, 47756), (2268, 35817), (3402, 23878), (6804, 11939)]