18301059

素因数分解:

$3^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 33611760

約数和(自身を除く): 15310701

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 53, 63, 81, 87, 147, 159, 189, 203, 243, 261, 371, 441, 477, 567, 609, 783, 1113, 1323, 1421, 1431, 1537, 1701, 1827, 2349, 2597, 3339, 3969, 4263, 4293, 4611, 5481, 7047, 7791, 10017, 10759, 11907, 12789, 12879, 13833, 16443, 23373, 30051, 32277, 38367, 41499, 49329, 70119, 75313, 90153, 96831, 115101, 124497, 210357, 225939, 290493, 345303, 373491, 631071, 677817, 871479, 2033451, 2614437, 6100353, 18301059]

約数ペア:

[(1, 18301059), (3, 6100353), (7, 2614437), (9, 2033451), (21, 871479), (27, 677817), (29, 631071), (49, 373491), (53, 345303), (63, 290493), (81, 225939), (87, 210357), (147, 124497), (159, 115101), (189, 96831), (203, 90153), (243, 75313), (261, 70119), (371, 49329), (441, 41499), (477, 38367), (567, 32277), (609, 30051), (783, 23373), (1113, 16443), (1323, 13833), (1421, 12879), (1431, 12789), (1537, 11907), (1701, 10759), (1827, 10017), (2349, 7791), (2597, 7047), (3339, 5481), (3969, 4611), (4263, 4293)]