63197739

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 107688960

約数和(自身を除く): 44491221

約数列:

[1, 3, 9, 11, 27, 33, 37, 71, 81, 99, 111, 213, 243, 297, 333, 407, 639, 729, 781, 891, 999, 1221, 1917, 2187, 2343, 2627, 2673, 2997, 3663, 5751, 7029, 7881, 8019, 8991, 10989, 17253, 21087, 23643, 24057, 26973, 28897, 32967, 51759, 63261, 70929, 80919, 86691, 98901, 155277, 189783, 212787, 260073, 296703, 569349, 638361, 780219, 890109, 1708047, 1915083, 2340657, 5745249, 7021971, 21065913, 63197739]

約数ペア:

[(1, 63197739), (3, 21065913), (9, 7021971), (11, 5745249), (27, 2340657), (33, 1915083), (37, 1708047), (71, 890109), (81, 780219), (99, 638361), (111, 569349), (213, 296703), (243, 260073), (297, 212787), (333, 189783), (407, 155277), (639, 98901), (729, 86691), (781, 80919), (891, 70929), (999, 63261), (1221, 51759), (1917, 32967), (2187, 28897), (2343, 26973), (2627, 24057), (2673, 23643), (2997, 21087), (3663, 17253), (5751, 10989), (7029, 8991), (7881, 8019)]