16851051

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 29767680

約数和(自身を除く): 12916629

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 271, 329, 423, 441, 813, 987, 1269, 1323, 1897, 2303, 2439, 2961, 5691, 6909, 7317, 8883, 12737, 13279, 17073, 20727, 38211, 39837, 51219, 62181, 89159, 114633, 119511, 267477, 343899, 358533, 624113, 802431, 1872339, 2407293, 5617017, 16851051]

約数ペア:

[(1, 16851051), (3, 5617017), (7, 2407293), (9, 1872339), (21, 802431), (27, 624113), (47, 358533), (49, 343899), (63, 267477), (141, 119511), (147, 114633), (189, 89159), (271, 62181), (329, 51219), (423, 39837), (441, 38211), (813, 20727), (987, 17073), (1269, 13279), (1323, 12737), (1897, 8883), (2303, 7317), (2439, 6909), (2961, 5691)]