1321510725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{787}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 2515106880

約数和(自身を除く): 1193596155

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 439, 765, 787, 1275, 1317, 2195, 2361, 3825, 3935, 3951, 6585, 7083, 7463, 10975, 11805, 13379, 19675, 19755, 22389, 32925, 35415, 37315, 40137, 59025, 66895, 67167, 98775, 111945, 120411, 177075, 186575, 200685, 334475, 335835, 345493, 559725, 602055, 1003425, 1036479, 1679175, 1727465, 3010275, 3109437, 5182395, 5873381, 8637325, 15547185, 17620143, 25911975, 29366905, 52860429, 77735925, 88100715, 146834525, 264302145, 440503575, 1321510725]

約数ペア:

[(1, 1321510725), (3, 440503575), (5, 264302145), (9, 146834525), (15, 88100715), (17, 77735925), (25, 52860429), (45, 29366905), (51, 25911975), (75, 17620143), (85, 15547185), (153, 8637325), (225, 5873381), (255, 5182395), (425, 3109437), (439, 3010275), (765, 1727465), (787, 1679175), (1275, 1036479), (1317, 1003425), (2195, 602055), (2361, 559725), (3825, 345493), (3935, 335835), (3951, 334475), (6585, 200685), (7083, 186575), (7463, 177075), (10975, 120411), (11805, 111945), (13379, 98775), (19675, 67167), (19755, 66895), (22389, 59025), (32925, 40137), (35415, 37315)]