172819791

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 262406400

約数和(自身を除く): 89586609

約数列:

[1, 3, 9, 27, 59, 157, 177, 471, 531, 691, 1413, 1593, 2073, 4239, 6219, 9263, 18657, 27789, 40769, 83367, 108487, 122307, 250101, 325461, 366921, 976383, 1100763, 2929149, 6400733, 19202199, 57606597, 172819791]

約数ペア:

[(1, 172819791), (3, 57606597), (9, 19202199), (27, 6400733), (59, 2929149), (157, 1100763), (177, 976383), (471, 366921), (531, 325461), (691, 250101), (1413, 122307), (1593, 108487), (2073, 83367), (4239, 40769), (6219, 27789), (9263, 18657)]