205886745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{317}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 390147840

約数和(自身を除く): 184261095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 283, 317, 459, 765, 849, 951, 1415, 1585, 2295, 2547, 2853, 4245, 4755, 4811, 5389, 7641, 8559, 12735, 14265, 14433, 16167, 24055, 26945, 38205, 42795, 43299, 48501, 72165, 80835, 89711, 129897, 145503, 216495, 242505, 269133, 448555, 649485, 727515, 807399, 1345665, 1525087, 2422197, 4036995, 4575261, 7625435, 12110985, 13725783, 22876305, 41177349, 68628915, 205886745]

約数ペア:

[(1, 205886745), (3, 68628915), (5, 41177349), (9, 22876305), (15, 13725783), (17, 12110985), (27, 7625435), (45, 4575261), (51, 4036995), (85, 2422197), (135, 1525087), (153, 1345665), (255, 807399), (283, 727515), (317, 649485), (459, 448555), (765, 269133), (849, 242505), (951, 216495), (1415, 145503), (1585, 129897), (2295, 89711), (2547, 80835), (2853, 72165), (4245, 48501), (4755, 43299), (4811, 42795), (5389, 38205), (7641, 26945), (8559, 24055), (12735, 16167), (14265, 14433)]