397782

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:74

約数の個数: 72

約数和(自身を含む): 1120392

約数和(自身を除く): 722610

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 41, 42, 49, 63, 66, 77, 82, 98, 99, 123, 126, 147, 154, 198, 231, 246, 287, 294, 369, 441, 451, 462, 539, 574, 693, 738, 861, 882, 902, 1078, 1353, 1386, 1617, 1722, 2009, 2583, 2706, 3157, 3234, 4018, 4059, 4851, 5166, 6027, 6314, 8118, 9471, 9702, 12054, 18081, 18942, 22099, 28413, 36162, 44198, 56826, 66297, 132594, 198891, 397782]

約数ペア:

[(1, 397782), (2, 198891), (3, 132594), (6, 66297), (7, 56826), (9, 44198), (11, 36162), (14, 28413), (18, 22099), (21, 18942), (22, 18081), (33, 12054), (41, 9702), (42, 9471), (49, 8118), (63, 6314), (66, 6027), (77, 5166), (82, 4851), (98, 4059), (99, 4018), (123, 3234), (126, 3157), (147, 2706), (154, 2583), (198, 2009), (231, 1722), (246, 1617), (287, 1386), (294, 1353), (369, 1078), (441, 902), (451, 882), (462, 861), (539, 738), (574, 693)]