64543815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{709}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 136013280

約数和(自身を除く): 71469465

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 289, 315, 357, 595, 709, 765, 867, 1071, 1445, 1785, 2023, 2127, 2601, 3545, 4335, 4963, 5355, 6069, 6381, 10115, 10635, 12053, 13005, 14889, 18207, 24815, 30345, 31905, 36159, 44667, 60265, 74445, 84371, 91035, 108477, 180795, 204901, 223335, 253113, 421855, 542385, 614703, 759339, 1024505, 1265565, 1434307, 1844109, 3073515, 3796695, 4302921, 7171535, 9220545, 12908763, 21514605, 64543815]

約数ペア:

[(1, 64543815), (3, 21514605), (5, 12908763), (7, 9220545), (9, 7171535), (15, 4302921), (17, 3796695), (21, 3073515), (35, 1844109), (45, 1434307), (51, 1265565), (63, 1024505), (85, 759339), (105, 614703), (119, 542385), (153, 421855), (255, 253113), (289, 223335), (315, 204901), (357, 180795), (595, 108477), (709, 91035), (765, 84371), (867, 74445), (1071, 60265), (1445, 44667), (1785, 36159), (2023, 31905), (2127, 30345), (2601, 24815), (3545, 18207), (4335, 14889), (4963, 13005), (5355, 12053), (6069, 10635), (6381, 10115)]