7923447

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 14035680

約数和(自身を除く): 6112233

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 113, 147, 159, 189, 339, 371, 441, 477, 791, 1017, 1113, 1323, 1431, 2373, 2597, 3051, 3339, 5537, 5989, 7119, 7791, 10017, 16611, 17967, 21357, 23373, 41923, 49833, 53901, 70119, 125769, 149499, 161703, 293461, 377307, 880383, 1131921, 2641149, 7923447]

約数ペア:

[(1, 7923447), (3, 2641149), (7, 1131921), (9, 880383), (21, 377307), (27, 293461), (49, 161703), (53, 149499), (63, 125769), (113, 70119), (147, 53901), (159, 49833), (189, 41923), (339, 23373), (371, 21357), (441, 17967), (477, 16611), (791, 10017), (1017, 7791), (1113, 7119), (1323, 5989), (1431, 5537), (2373, 3339), (2597, 3051)]