56720685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{77171}}^1$

素因数の和:77193

約数の個数: 24

約数和(自身を含む): 105571296

約数和(自身を除く): 48850611

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 77171, 231513, 385855, 540197, 1157565, 1620591, 2700985, 3781379, 8102955, 11344137, 18906895, 56720685]

約数ペア:

[(1, 56720685), (3, 18906895), (5, 11344137), (7, 8102955), (15, 3781379), (21, 2700985), (35, 1620591), (49, 1157565), (105, 540197), (147, 385855), (245, 231513), (735, 77171)]