90325575

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 170227200

約数和(自身を除く): 79901625

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 109, 127, 145, 225, 261, 327, 381, 435, 545, 635, 725, 981, 1143, 1305, 1635, 1905, 2175, 2725, 3161, 3175, 3683, 4905, 5715, 6525, 8175, 9483, 9525, 11049, 13843, 15805, 18415, 24525, 28449, 28575, 33147, 41529, 47415, 55245, 69215, 79025, 92075, 124587, 142245, 165735, 207645, 237075, 276225, 346075, 401447, 622935, 711225, 828675, 1038225, 1204341, 2007235, 3114675, 3613023, 6021705, 10036175, 18065115, 30108525, 90325575]

約数ペア:

[(1, 90325575), (3, 30108525), (5, 18065115), (9, 10036175), (15, 6021705), (25, 3613023), (29, 3114675), (45, 2007235), (75, 1204341), (87, 1038225), (109, 828675), (127, 711225), (145, 622935), (225, 401447), (261, 346075), (327, 276225), (381, 237075), (435, 207645), (545, 165735), (635, 142245), (725, 124587), (981, 92075), (1143, 79025), (1305, 69215), (1635, 55245), (1905, 47415), (2175, 41529), (2725, 33147), (3161, 28575), (3175, 28449), (3683, 24525), (4905, 18415), (5715, 15805), (6525, 13843), (8175, 11049), (9483, 9525)]