218492721

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 349562304

約数和(自身を除く): 131069583

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 227, 233, 243, 459, 681, 699, 1377, 2043, 2097, 3859, 3961, 4131, 6129, 6291, 11577, 11883, 18387, 18873, 34731, 35649, 52891, 55161, 56619, 104193, 106947, 158673, 312579, 320841, 476019, 899147, 937737, 962523, 1428057, 2697441, 4284171, 8092323, 12852513, 24276969, 72830907, 218492721]

約数ペア:

[(1, 218492721), (3, 72830907), (9, 24276969), (17, 12852513), (27, 8092323), (51, 4284171), (81, 2697441), (153, 1428057), (227, 962523), (233, 937737), (243, 899147), (459, 476019), (681, 320841), (699, 312579), (1377, 158673), (2043, 106947), (2097, 104193), (3859, 56619), (3961, 55161), (4131, 52891), (6129, 35649), (6291, 34731), (11577, 18873), (11883, 18387)]