209528451

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 112

約数和(自身を含む): 382462560

約数和(自身を除く): 172934109

約数列:

[1, 3, 9, 11, 17, 27, 29, 33, 51, 53, 81, 87, 99, 153, 159, 187, 243, 261, 297, 319, 459, 477, 493, 561, 583, 729, 783, 891, 901, 957, 1377, 1431, 1479, 1537, 1683, 1749, 2349, 2673, 2703, 2871, 4131, 4293, 4437, 4611, 5049, 5247, 5423, 7047, 8019, 8109, 8613, 9911, 12393, 12879, 13311, 13833, 15147, 15741, 16269, 16907, 21141, 24327, 25839, 26129, 29733, 38637, 39933, 41499, 45441, 47223, 48807, 50721, 72981, 77517, 78387, 89199, 119799, 124497, 136323, 141669, 146421, 152163, 218943, 232551, 235161, 267597, 287419, 359397, 373491, 425007, 439263, 456489, 656829, 705483, 802791, 862257, 1120473, 1317789, 1369467, 2116449, 2408373, 2586771, 3953367, 4108401, 6349347, 7225119, 7760313, 12325203, 19048041, 23280939, 69842817, 209528451]

約数ペア:

[(1, 209528451), (3, 69842817), (9, 23280939), (11, 19048041), (17, 12325203), (27, 7760313), (29, 7225119), (33, 6349347), (51, 4108401), (53, 3953367), (81, 2586771), (87, 2408373), (99, 2116449), (153, 1369467), (159, 1317789), (187, 1120473), (243, 862257), (261, 802791), (297, 705483), (319, 656829), (459, 456489), (477, 439263), (493, 425007), (561, 373491), (583, 359397), (729, 287419), (783, 267597), (891, 235161), (901, 232551), (957, 218943), (1377, 152163), (1431, 146421), (1479, 141669), (1537, 136323), (1683, 124497), (1749, 119799), (2349, 89199), (2673, 78387), (2703, 77517), (2871, 72981), (4131, 50721), (4293, 48807), (4437, 47223), (4611, 45441), (5049, 41499), (5247, 39933), (5423, 38637), (7047, 29733), (8019, 26129), (8109, 25839), (8613, 24327), (9911, 21141), (12393, 16907), (12879, 16269), (13311, 15741), (13833, 15147)]