28788735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 50839200

約数和(自身を除く): 22050465

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 229, 255, 289, 435, 493, 687, 867, 1145, 1445, 1479, 2465, 3435, 3893, 4335, 6641, 7395, 8381, 11679, 19465, 19923, 25143, 33205, 41905, 58395, 66181, 99615, 112897, 125715, 198543, 330905, 338691, 564485, 992715, 1693455, 1919249, 5757747, 9596245, 28788735]

約数ペア:

[(1, 28788735), (3, 9596245), (5, 5757747), (15, 1919249), (17, 1693455), (29, 992715), (51, 564485), (85, 338691), (87, 330905), (145, 198543), (229, 125715), (255, 112897), (289, 99615), (435, 66181), (493, 58395), (687, 41905), (867, 33205), (1145, 25143), (1445, 19923), (1479, 19465), (2465, 11679), (3435, 8381), (3893, 7395), (4335, 6641)]