28783005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4391}}^1$

素因数の和:4441

約数の個数: 32

約数和(自身を含む): 50595840

約数和(自身を除く): 21812835

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 4391, 6555, 13173, 21955, 65865, 83429, 100993, 250287, 302979, 417145, 504965, 1251435, 1514895, 1918867, 5756601, 9594335, 28783005]

約数ペア:

[(1, 28783005), (3, 9594335), (5, 5756601), (15, 1918867), (19, 1514895), (23, 1251435), (57, 504965), (69, 417145), (95, 302979), (115, 250287), (285, 100993), (345, 83429), (437, 65865), (1311, 21955), (2185, 13173), (4391, 6555)]