212987775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2837}}^1$

素因数の和:2881

約数の個数: 96

約数和(自身を含む): 472969728

約数和(自身を除く): 259981953

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 143, 165, 175, 195, 231, 273, 275, 325, 385, 429, 455, 525, 715, 825, 975, 1001, 1155, 1365, 1925, 2145, 2275, 2837, 3003, 3575, 5005, 5775, 6825, 8511, 10725, 14185, 15015, 19859, 25025, 31207, 36881, 42555, 59577, 70925, 75075, 93621, 99295, 110643, 156035, 184405, 212775, 218449, 258167, 297885, 405691, 468105, 496475, 553215, 655347, 774501, 780175, 922025, 1092245, 1217073, 1290835, 1489425, 2028455, 2340525, 2766075, 2839837, 3276735, 3872505, 5461225, 6085365, 6454175, 8519511, 10142275, 14199185, 16383675, 19362525, 30426825, 42597555, 70995925, 212987775]

約数ペア:

[(1, 212987775), (3, 70995925), (5, 42597555), (7, 30426825), (11, 19362525), (13, 16383675), (15, 14199185), (21, 10142275), (25, 8519511), (33, 6454175), (35, 6085365), (39, 5461225), (55, 3872505), (65, 3276735), (75, 2839837), (77, 2766075), (91, 2340525), (105, 2028455), (143, 1489425), (165, 1290835), (175, 1217073), (195, 1092245), (231, 922025), (273, 780175), (275, 774501), (325, 655347), (385, 553215), (429, 496475), (455, 468105), (525, 405691), (715, 297885), (825, 258167), (975, 218449), (1001, 212775), (1155, 184405), (1365, 156035), (1925, 110643), (2145, 99295), (2275, 93621), (2837, 75075), (3003, 70925), (3575, 59577), (5005, 42555), (5775, 36881), (6825, 31207), (8511, 25025), (10725, 19859), (14185, 15015)]