2021084865

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12763}}^1$

素因数の和:12820

約数の個数: 80

約数和(自身を含む): 4003198848

約数和(自身を除く): 1982113983

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 207, 255, 345, 391, 405, 459, 621, 765, 1035, 1173, 1377, 1863, 1955, 2295, 3105, 3519, 5865, 6885, 9315, 10557, 12763, 17595, 31671, 38289, 52785, 63815, 114867, 158355, 191445, 216971, 293549, 344601, 574335, 650913, 880647, 1033803, 1084855, 1467745, 1723005, 1952739, 2641941, 3254565, 4403235, 4990333, 5169015, 5858217, 7925823, 9763695, 13209705, 14970999, 17574651, 23777469, 24951665, 29291085, 39629115, 44912997, 74854995, 87873255, 118887345, 134738991, 224564985, 404216973, 673694955, 2021084865]

約数ペア:

[(1, 2021084865), (3, 673694955), (5, 404216973), (9, 224564985), (15, 134738991), (17, 118887345), (23, 87873255), (27, 74854995), (45, 44912997), (51, 39629115), (69, 29291085), (81, 24951665), (85, 23777469), (115, 17574651), (135, 14970999), (153, 13209705), (207, 9763695), (255, 7925823), (345, 5858217), (391, 5169015), (405, 4990333), (459, 4403235), (621, 3254565), (765, 2641941), (1035, 1952739), (1173, 1723005), (1377, 1467745), (1863, 1084855), (1955, 1033803), (2295, 880647), (3105, 650913), (3519, 574335), (5865, 344601), (6885, 293549), (9315, 216971), (10557, 191445), (12763, 158355), (17595, 114867), (31671, 63815), (38289, 52785)]