172000989

素因数分解:

$3^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 277094400

約数和(自身を除く): 105093411

約数列:

[1, 3, 9, 27, 31, 43, 59, 81, 93, 129, 177, 243, 279, 387, 531, 729, 837, 1161, 1333, 1593, 1829, 2187, 2511, 2537, 3483, 3999, 4779, 5487, 7533, 7611, 10449, 11997, 14337, 16461, 22599, 22833, 31347, 35991, 43011, 49383, 67797, 68499, 78647, 94041, 107973, 129033, 148149, 205497, 235941, 323919, 444447, 616491, 707823, 971757, 1333341, 1849473, 2123469, 2915271, 4000023, 5548419, 6370407, 19111221, 57333663, 172000989]

約数ペア:

[(1, 172000989), (3, 57333663), (9, 19111221), (27, 6370407), (31, 5548419), (43, 4000023), (59, 2915271), (81, 2123469), (93, 1849473), (129, 1333341), (177, 971757), (243, 707823), (279, 616491), (387, 444447), (531, 323919), (729, 235941), (837, 205497), (1161, 148149), (1333, 129033), (1593, 107973), (1829, 94041), (2187, 78647), (2511, 68499), (2537, 67797), (3483, 49383), (3999, 43011), (4779, 35991), (5487, 31347), (7533, 22833), (7611, 22599), (10449, 16461), (11997, 14337)]