2991907206

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{27689}}^1$

素因数の和:27755

約数の個数: 80

約数和(自身を含む): 7237058400

約数和(自身を除く): 4245151194

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 81, 87, 138, 162, 174, 207, 261, 414, 522, 621, 667, 783, 1242, 1334, 1566, 1863, 2001, 2349, 3726, 4002, 4698, 6003, 12006, 18009, 27689, 36018, 54027, 55378, 83067, 108054, 166134, 249201, 498402, 636847, 747603, 802981, 1273694, 1495206, 1605962, 1910541, 2242809, 2408943, 3821082, 4485618, 4817886, 5731623, 7226829, 11463246, 14453658, 17194869, 18468563, 21680487, 34389738, 36937126, 43360974, 51584607, 55405689, 65041461, 103169214, 110811378, 130082922, 166217067, 332434134, 498651201, 997302402, 1495953603, 2991907206]

約数ペア:

[(1, 2991907206), (2, 1495953603), (3, 997302402), (6, 498651201), (9, 332434134), (18, 166217067), (23, 130082922), (27, 110811378), (29, 103169214), (46, 65041461), (54, 55405689), (58, 51584607), (69, 43360974), (81, 36937126), (87, 34389738), (138, 21680487), (162, 18468563), (174, 17194869), (207, 14453658), (261, 11463246), (414, 7226829), (522, 5731623), (621, 4817886), (667, 4485618), (783, 3821082), (1242, 2408943), (1334, 2242809), (1566, 1910541), (1863, 1605962), (2001, 1495206), (2349, 1273694), (3726, 802981), (4002, 747603), (4698, 636847), (6003, 498402), (12006, 249201), (18009, 166134), (27689, 108054), (36018, 83067), (54027, 55378)]