77780925

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 144088000

約数和(自身を除く): 66307075

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 417, 675, 695, 829, 1251, 2085, 2487, 3475, 3753, 4145, 6255, 7461, 10425, 12435, 18765, 20725, 22383, 31275, 37305, 62175, 93825, 111915, 115231, 186525, 345693, 559575, 576155, 1037079, 1728465, 2880775, 3111237, 5185395, 8642325, 15556185, 25926975, 77780925]

約数ペア:

[(1, 77780925), (3, 25926975), (5, 15556185), (9, 8642325), (15, 5185395), (25, 3111237), (27, 2880775), (45, 1728465), (75, 1037079), (135, 576155), (139, 559575), (225, 345693), (417, 186525), (675, 115231), (695, 111915), (829, 93825), (1251, 62175), (2085, 37305), (2487, 31275), (3475, 22383), (3753, 20725), (4145, 18765), (6255, 12435), (7461, 10425)]