51813909

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 91653120

約数和(自身を除く): 39839211

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 101, 119, 153, 303, 357, 479, 707, 909, 1071, 1437, 1717, 2121, 3353, 4311, 5151, 6363, 8143, 10059, 12019, 15453, 24429, 30177, 36057, 48379, 57001, 73287, 108171, 145137, 171003, 338653, 435411, 513009, 822443, 1015959, 2467329, 3047877, 5757101, 7401987, 17271303, 51813909]

約数ペア:

[(1, 51813909), (3, 17271303), (7, 7401987), (9, 5757101), (17, 3047877), (21, 2467329), (51, 1015959), (63, 822443), (101, 513009), (119, 435411), (153, 338653), (303, 171003), (357, 145137), (479, 108171), (707, 73287), (909, 57001), (1071, 48379), (1437, 36057), (1717, 30177), (2121, 24429), (3353, 15453), (4311, 12019), (5151, 10059), (6363, 8143)]