87983721

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 155361024

約数和(自身を除く): 67377303

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 113, 119, 153, 339, 357, 727, 791, 1017, 1071, 1921, 2181, 2373, 5089, 5763, 6543, 7119, 12359, 13447, 15267, 17289, 37077, 40341, 45801, 82151, 86513, 111231, 121023, 246453, 259539, 575057, 739359, 778617, 1396567, 1725171, 4189701, 5175513, 9775969, 12569103, 29327907, 87983721]

約数ペア:

[(1, 87983721), (3, 29327907), (7, 12569103), (9, 9775969), (17, 5175513), (21, 4189701), (51, 1725171), (63, 1396567), (113, 778617), (119, 739359), (153, 575057), (339, 259539), (357, 246453), (727, 121023), (791, 111231), (1017, 86513), (1071, 82151), (1921, 45801), (2181, 40341), (2373, 37077), (5089, 17289), (5763, 15267), (6543, 13447), (7119, 12359)]