15369921

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 27316224

約数和(自身を除く): 11946303

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 113, 119, 127, 153, 339, 357, 381, 791, 889, 1017, 1071, 1143, 1921, 2159, 2373, 2667, 5763, 6477, 7119, 8001, 13447, 14351, 15113, 17289, 19431, 40341, 43053, 45339, 100457, 121023, 129159, 136017, 243967, 301371, 731901, 904113, 1707769, 2195703, 5123307, 15369921]

約数ペア:

[(1, 15369921), (3, 5123307), (7, 2195703), (9, 1707769), (17, 904113), (21, 731901), (51, 301371), (63, 243967), (113, 136017), (119, 129159), (127, 121023), (153, 100457), (339, 45339), (357, 43053), (381, 40341), (791, 19431), (889, 17289), (1017, 15113), (1071, 14351), (1143, 13447), (1921, 8001), (2159, 7119), (2373, 6477), (2667, 5763)]