28309743

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 28299537

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 81, 89, 99, 119, 153, 187, 189, 231, 243, 267, 297, 357, 459, 561, 567, 623, 693, 801, 891, 979, 1071, 1309, 1377, 1513, 1683, 1701, 1869, 2079, 2403, 2673, 2937, 3213, 3927, 4131, 4539, 5049, 5607, 6237, 6853, 7209, 8811, 9639, 10591, 11781, 13617, 15147, 16643, 16821, 18711, 20559, 21627, 26433, 28917, 31773, 35343, 40851, 45441, 49929, 50463, 61677, 79299, 95319, 106029, 116501, 122553, 149787, 151389, 185031, 237897, 285957, 318087, 349503, 367659, 449361, 555093, 857871, 1048509, 1348083, 1665279, 2573613, 3145527, 4044249, 9436581, 28309743]

約数ペア:

[(1, 28309743), (3, 9436581), (7, 4044249), (9, 3145527), (11, 2573613), (17, 1665279), (21, 1348083), (27, 1048509), (33, 857871), (51, 555093), (63, 449361), (77, 367659), (81, 349503), (89, 318087), (99, 285957), (119, 237897), (153, 185031), (187, 151389), (189, 149787), (231, 122553), (243, 116501), (267, 106029), (297, 95319), (357, 79299), (459, 61677), (561, 50463), (567, 49929), (623, 45441), (693, 40851), (801, 35343), (891, 31773), (979, 28917), (1071, 26433), (1309, 21627), (1377, 20559), (1513, 18711), (1683, 16821), (1701, 16643), (1869, 15147), (2079, 13617), (2403, 11781), (2673, 10591), (2937, 9639), (3213, 8811), (3927, 7209), (4131, 6853), (4539, 6237), (5049, 5607)]