81156195

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8467}}^1$

素因数の和:8552

約数の個数: 32

約数和(自身を含む): 146327040

約数和(自身を除く): 65170845

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 8467, 9585, 25401, 42335, 76203, 127005, 228609, 381015, 601157, 1143045, 1803471, 3005785, 5410413, 9017355, 16231239, 27052065, 81156195]

約数ペア:

[(1, 81156195), (3, 27052065), (5, 16231239), (9, 9017355), (15, 5410413), (27, 3005785), (45, 1803471), (71, 1143045), (135, 601157), (213, 381015), (355, 228609), (639, 127005), (1065, 76203), (1917, 42335), (3195, 25401), (8467, 9585)]