28124565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 26065515

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 47, 105, 123, 139, 141, 205, 235, 287, 329, 417, 615, 695, 705, 861, 973, 987, 1435, 1645, 1927, 2085, 2919, 4305, 4865, 4935, 5699, 5781, 6533, 9635, 13489, 14595, 17097, 19599, 28495, 28905, 32665, 39893, 40467, 45731, 67445, 85485, 97995, 119679, 137193, 199465, 202335, 228655, 267853, 598395, 685965, 803559, 1339265, 1874971, 4017795, 5624913, 9374855, 28124565]

約数ペア:

[(1, 28124565), (3, 9374855), (5, 5624913), (7, 4017795), (15, 1874971), (21, 1339265), (35, 803559), (41, 685965), (47, 598395), (105, 267853), (123, 228655), (139, 202335), (141, 199465), (205, 137193), (235, 119679), (287, 97995), (329, 85485), (417, 67445), (615, 45731), (695, 40467), (705, 39893), (861, 32665), (973, 28905), (987, 28495), (1435, 19599), (1645, 17097), (1927, 14595), (2085, 13489), (2919, 9635), (4305, 6533), (4865, 5781), (4935, 5699)]