16660917

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6810

約数の個数: 32

約数和(自身を含む): 30383360

約数和(自身を除く): 13722443

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 6781, 20343, 47467, 61029, 88153, 142401, 183087, 264459, 427203, 617071, 793377, 1281609, 1851213, 2380131, 5553639, 16660917]

約数ペア:

[(1, 16660917), (3, 5553639), (7, 2380131), (9, 1851213), (13, 1281609), (21, 793377), (27, 617071), (39, 427203), (63, 264459), (91, 183087), (117, 142401), (189, 88153), (273, 61029), (351, 47467), (819, 20343), (2457, 6781)]