28941705

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 58544640

約数和(自身を除く): 29602935

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 81, 115, 117, 135, 195, 207, 239, 299, 345, 351, 405, 585, 621, 717, 897, 1035, 1053, 1195, 1495, 1755, 1863, 2151, 2691, 3105, 3107, 3585, 4485, 5265, 5497, 6453, 8073, 9315, 9321, 10755, 13455, 15535, 16491, 19359, 24219, 27485, 27963, 32265, 40365, 46605, 49473, 71461, 82455, 83889, 96795, 121095, 139815, 148419, 214383, 247365, 251667, 357305, 419445, 445257, 643149, 742095, 1071915, 1258335, 1929447, 2226285, 3215745, 5788341, 9647235, 28941705]

約数ペア:

[(1, 28941705), (3, 9647235), (5, 5788341), (9, 3215745), (13, 2226285), (15, 1929447), (23, 1258335), (27, 1071915), (39, 742095), (45, 643149), (65, 445257), (69, 419445), (81, 357305), (115, 251667), (117, 247365), (135, 214383), (195, 148419), (207, 139815), (239, 121095), (299, 96795), (345, 83889), (351, 82455), (405, 71461), (585, 49473), (621, 46605), (717, 40365), (897, 32265), (1035, 27963), (1053, 27485), (1195, 24219), (1495, 19359), (1755, 16491), (1863, 15535), (2151, 13455), (2691, 10755), (3105, 9321), (3107, 9315), (3585, 8073), (4485, 6453), (5265, 5497)]