1281195

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 2257632

約数和(自身を除く): 976437

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 401, 639, 1065, 1203, 2005, 3195, 3609, 6015, 18045, 28471, 85413, 142355, 256239, 427065, 1281195]

約数ペア:

[(1, 1281195), (3, 427065), (5, 256239), (9, 142355), (15, 85413), (45, 28471), (71, 18045), (213, 6015), (355, 3609), (401, 3195), (639, 2005), (1065, 1203)]