28170513

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 50993280

約数和(自身を除く): 22822767

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 609, 907, 1071, 1479, 1827, 2721, 3451, 4437, 6349, 8163, 10353, 15419, 19047, 26303, 31059, 46257, 57141, 78909, 107933, 138771, 184121, 236727, 323799, 447151, 552363, 971397, 1341453, 1657089, 3130057, 4024359, 9390171, 28170513]

約数ペア:

[(1, 28170513), (3, 9390171), (7, 4024359), (9, 3130057), (17, 1657089), (21, 1341453), (29, 971397), (51, 552363), (63, 447151), (87, 323799), (119, 236727), (153, 184121), (203, 138771), (261, 107933), (357, 78909), (493, 57141), (609, 46257), (907, 31059), (1071, 26303), (1479, 19047), (1827, 15419), (2721, 10353), (3451, 8163), (4437, 6349)]