128456433

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{14669}}^1$

素因数の和:14821

約数の個数: 24

約数和(自身を含む): 213595200

約数和(自身を除く): 85138767

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 14669, 44007, 102683, 132021, 308049, 924147, 2038991, 6116973, 14272937, 18350919, 42818811, 128456433]

約数ペア:

[(1, 128456433), (3, 42818811), (7, 18350919), (9, 14272937), (21, 6116973), (63, 2038991), (139, 924147), (417, 308049), (973, 132021), (1251, 102683), (2919, 44007), (8757, 14669)]