171990054

素因数分解:

$2^1\times 3^9\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 80

約数和(自身を含む): 411328368

約数和(自身を除く): 239338314

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 257, 306, 459, 486, 514, 729, 771, 918, 1377, 1458, 1542, 2187, 2313, 2754, 4131, 4369, 4374, 4626, 6561, 6939, 8262, 8738, 12393, 13107, 13122, 13878, 19683, 20817, 24786, 26214, 37179, 39321, 39366, 41634, 62451, 74358, 78642, 111537, 117963, 124902, 187353, 223074, 235926, 334611, 353889, 374706, 562059, 669222, 707778, 1061667, 1124118, 1686177, 2123334, 3185001, 3372354, 5058531, 6370002, 9555003, 10117062, 19110006, 28665009, 57330018, 85995027, 171990054]

約数ペア:

[(1, 171990054), (2, 85995027), (3, 57330018), (6, 28665009), (9, 19110006), (17, 10117062), (18, 9555003), (27, 6370002), (34, 5058531), (51, 3372354), (54, 3185001), (81, 2123334), (102, 1686177), (153, 1124118), (162, 1061667), (243, 707778), (257, 669222), (306, 562059), (459, 374706), (486, 353889), (514, 334611), (729, 235926), (771, 223074), (918, 187353), (1377, 124902), (1458, 117963), (1542, 111537), (2187, 78642), (2313, 74358), (2754, 62451), (4131, 41634), (4369, 39366), (4374, 39321), (4626, 37179), (6561, 26214), (6939, 24786), (8262, 20817), (8738, 19683), (12393, 13878), (13107, 13122)]