201813975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 400091952

約数和(自身を除く): 198277977

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 73, 75, 99, 165, 219, 225, 275, 365, 495, 657, 803, 825, 1095, 1117, 1825, 2409, 2475, 3285, 3351, 4015, 5475, 5585, 7227, 10053, 12045, 12287, 16425, 16755, 20075, 27925, 36135, 36861, 50265, 60225, 61435, 81541, 83775, 110583, 180675, 184305, 244623, 251325, 307175, 407705, 552915, 733869, 896951, 921525, 1223115, 2038525, 2690853, 2764575, 3669345, 4484755, 6115575, 8072559, 13454265, 18346725, 22423775, 40362795, 67271325, 201813975]

約数ペア:

[(1, 201813975), (3, 67271325), (5, 40362795), (9, 22423775), (11, 18346725), (15, 13454265), (25, 8072559), (33, 6115575), (45, 4484755), (55, 3669345), (73, 2764575), (75, 2690853), (99, 2038525), (165, 1223115), (219, 921525), (225, 896951), (275, 733869), (365, 552915), (495, 407705), (657, 307175), (803, 251325), (825, 244623), (1095, 184305), (1117, 180675), (1825, 110583), (2409, 83775), (2475, 81541), (3285, 61435), (3351, 60225), (4015, 50265), (5475, 36861), (5585, 36135), (7227, 27925), (10053, 20075), (12045, 16755), (12287, 16425)]