199989003

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1153}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 299116800

約数和(自身を除く): 99127797

約数列:

[1, 3, 17, 19, 51, 57, 179, 323, 537, 969, 1153, 3043, 3401, 3459, 9129, 10203, 19601, 21907, 57817, 58803, 65721, 173451, 206387, 372419, 619161, 1117257, 3508579, 3921353, 10525737, 11764059, 66663001, 199989003]

約数ペア:

[(1, 199989003), (3, 66663001), (17, 11764059), (19, 10525737), (51, 3921353), (57, 3508579), (179, 1117257), (323, 619161), (537, 372419), (969, 206387), (1153, 173451), (3043, 65721), (3401, 58803), (3459, 57817), (9129, 21907), (10203, 19601)]