172000407

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 257644800

約数和(自身を除く): 85644393

約数列:

[1, 3, 17, 19, 51, 57, 139, 323, 417, 969, 1277, 2363, 2641, 3831, 7089, 7923, 21709, 24263, 44897, 65127, 72789, 134691, 177503, 412471, 532509, 1237413, 3017551, 3372557, 9052653, 10117671, 57333469, 172000407]

約数ペア:

[(1, 172000407), (3, 57333469), (17, 10117671), (19, 9052653), (51, 3372557), (57, 3017551), (139, 1237413), (323, 532509), (417, 412471), (969, 177503), (1277, 134691), (2363, 72789), (2641, 65127), (3831, 44897), (7089, 24263), (7923, 21709)]