66357657

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 100805760

約数和(自身を除く): 34448103

約数列:

[1, 3, 9, 27, 73, 131, 219, 257, 393, 657, 771, 1179, 1971, 2313, 3537, 6939, 9563, 18761, 28689, 33667, 56283, 86067, 101001, 168849, 258201, 303003, 506547, 909009, 2457691, 7373073, 22119219, 66357657]

約数ペア:

[(1, 66357657), (3, 22119219), (9, 7373073), (27, 2457691), (73, 909009), (131, 506547), (219, 303003), (257, 258201), (393, 168849), (657, 101001), (771, 86067), (1179, 56283), (1971, 33667), (2313, 28689), (3537, 18761), (6939, 9563)]