81245646

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^2\times {\mathrm{1789}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 187090800

約数和(自身を除く): 105845154

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 841, 1566, 1682, 1789, 2523, 3578, 5046, 5367, 7569, 10734, 15138, 16101, 22707, 32202, 45414, 48303, 51881, 96606, 103762, 155643, 311286, 466929, 933858, 1400787, 1504549, 2801574, 3009098, 4513647, 9027294, 13540941, 27081882, 40622823, 81245646]

約数ペア:

[(1, 81245646), (2, 40622823), (3, 27081882), (6, 13540941), (9, 9027294), (18, 4513647), (27, 3009098), (29, 2801574), (54, 1504549), (58, 1400787), (87, 933858), (174, 466929), (261, 311286), (522, 155643), (783, 103762), (841, 96606), (1566, 51881), (1682, 48303), (1789, 45414), (2523, 32202), (3578, 22707), (5046, 16101), (5367, 15138), (7569, 10734)]