18274347

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 33179328

約数和(自身を除く): 14904981

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 421, 477, 689, 819, 1113, 1263, 2067, 2947, 3339, 3789, 4823, 5473, 6201, 8841, 14469, 16419, 22313, 26523, 38311, 43407, 49257, 66939, 114933, 156191, 200817, 290069, 344799, 468573, 870207, 1405719, 2030483, 2610621, 6091449, 18274347]

約数ペア:

[(1, 18274347), (3, 6091449), (7, 2610621), (9, 2030483), (13, 1405719), (21, 870207), (39, 468573), (53, 344799), (63, 290069), (91, 200817), (117, 156191), (159, 114933), (273, 66939), (371, 49257), (421, 43407), (477, 38311), (689, 26523), (819, 22313), (1113, 16419), (1263, 14469), (2067, 8841), (2947, 6201), (3339, 5473), (3789, 4823)]