201810213

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 339835392

約数和(自身を除く): 138025179

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 991, 1089, 1331, 1683, 2057, 2973, 3993, 6171, 8919, 10901, 11979, 16847, 18513, 22627, 32703, 50541, 67881, 98109, 119911, 151623, 185317, 203643, 359733, 555951, 1079199, 1319021, 1667853, 2038487, 3957063, 6115461, 11871189, 18346383, 22423357, 67270071, 201810213]

約数ペア:

[(1, 201810213), (3, 67270071), (9, 22423357), (11, 18346383), (17, 11871189), (33, 6115461), (51, 3957063), (99, 2038487), (121, 1667853), (153, 1319021), (187, 1079199), (363, 555951), (561, 359733), (991, 203643), (1089, 185317), (1331, 151623), (1683, 119911), (2057, 98109), (2973, 67881), (3993, 50541), (6171, 32703), (8919, 22627), (10901, 18513), (11979, 16847)]