78718653

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2083}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 136543680

約数和(自身を除く): 57825027

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 663, 741, 969, 1989, 2083, 2223, 2907, 4199, 6249, 12597, 18747, 27079, 35411, 37791, 39577, 81237, 106233, 118731, 243711, 318699, 356193, 460343, 514501, 672809, 1381029, 1543503, 2018427, 4143087, 4630509, 6055281, 8746517, 26239551, 78718653]

約数ペア:

[(1, 78718653), (3, 26239551), (9, 8746517), (13, 6055281), (17, 4630509), (19, 4143087), (39, 2018427), (51, 1543503), (57, 1381029), (117, 672809), (153, 514501), (171, 460343), (221, 356193), (247, 318699), (323, 243711), (663, 118731), (741, 106233), (969, 81237), (1989, 39577), (2083, 37791), (2223, 35411), (2907, 27079), (4199, 18747), (6249, 12597)]