313645815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 639014688

約数和(自身を除く): 325368873

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 103, 105, 147, 245, 309, 315, 441, 515, 721, 735, 927, 1381, 1545, 2163, 2205, 3605, 4143, 4635, 5047, 6489, 6905, 9667, 10815, 12429, 15141, 20715, 25235, 29001, 32445, 45423, 48335, 62145, 67669, 75705, 87003, 142243, 145005, 203007, 227115, 338345, 426729, 435015, 609021, 711215, 995701, 1015035, 1280187, 2133645, 2987103, 3045105, 4978505, 6400935, 6969907, 8961309, 14935515, 20909721, 34849535, 44806545, 62729163, 104548605, 313645815]

約数ペア:

[(1, 313645815), (3, 104548605), (5, 62729163), (7, 44806545), (9, 34849535), (15, 20909721), (21, 14935515), (35, 8961309), (45, 6969907), (49, 6400935), (63, 4978505), (103, 3045105), (105, 2987103), (147, 2133645), (245, 1280187), (309, 1015035), (315, 995701), (441, 711215), (515, 609021), (721, 435015), (735, 426729), (927, 338345), (1381, 227115), (1545, 203007), (2163, 145005), (2205, 142243), (3605, 87003), (4143, 75705), (4635, 67669), (5047, 62145), (6489, 48335), (6905, 45423), (9667, 32445), (10815, 29001), (12429, 25235), (15141, 20715)]