201660921

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 397267200

約数和(自身を除く): 195606279

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 49, 63, 77, 81, 93, 99, 147, 149, 189, 217, 231, 279, 297, 341, 441, 447, 539, 567, 651, 693, 837, 891, 1023, 1043, 1323, 1341, 1519, 1617, 1639, 1953, 2079, 2387, 2511, 3069, 3129, 3969, 4023, 4557, 4619, 4851, 4917, 5859, 6237, 7161, 7301, 9207, 9387, 11473, 12069, 13671, 13857, 14553, 14751, 16709, 17577, 21483, 21903, 27621, 28161, 32333, 34419, 41013, 41571, 43659, 44253, 50127, 50809, 64449, 65709, 80311, 84483, 96999, 103257, 123039, 124713, 132759, 150381, 152427, 193347, 197127, 226331, 240933, 290997, 309771, 355663, 374139, 451143, 457281, 591381, 678993, 722799, 872991, 929313, 1066989, 1353429, 1371843, 2036979, 2168397, 2489641, 2618973, 3200967, 4115529, 6110937, 6505191, 7468923, 9602901, 18332811, 22406769, 28808703, 67220307, 201660921]

約数ペア:

[(1, 201660921), (3, 67220307), (7, 28808703), (9, 22406769), (11, 18332811), (21, 9602901), (27, 7468923), (31, 6505191), (33, 6110937), (49, 4115529), (63, 3200967), (77, 2618973), (81, 2489641), (93, 2168397), (99, 2036979), (147, 1371843), (149, 1353429), (189, 1066989), (217, 929313), (231, 872991), (279, 722799), (297, 678993), (341, 591381), (441, 457281), (447, 451143), (539, 374139), (567, 355663), (651, 309771), (693, 290997), (837, 240933), (891, 226331), (1023, 197127), (1043, 193347), (1323, 152427), (1341, 150381), (1519, 132759), (1617, 124713), (1639, 123039), (1953, 103257), (2079, 96999), (2387, 84483), (2511, 80311), (3069, 65709), (3129, 64449), (3969, 50809), (4023, 50127), (4557, 44253), (4619, 43659), (4851, 41571), (4917, 41013), (5859, 34419), (6237, 32333), (7161, 28161), (7301, 27621), (9207, 21903), (9387, 21483), (11473, 17577), (12069, 16709), (13671, 14751), (13857, 14553)]