805156779

素因数分解:

$3^1\times 7^2\times {\mathrm{991}}^1\times {\mathrm{5527}}^1$

素因数の和:6535

約数の個数: 24

約数和(自身を含む): 1250300928

約数和(自身を除く): 445144149

約数列:

[1, 3, 7, 21, 49, 147, 991, 2973, 5527, 6937, 16581, 20811, 38689, 48559, 116067, 145677, 270823, 812469, 5477257, 16431771, 38340799, 115022397, 268385593, 805156779]

約数ペア:

[(1, 805156779), (3, 268385593), (7, 115022397), (21, 38340799), (49, 16431771), (147, 5477257), (991, 812469), (2973, 270823), (5527, 145677), (6937, 116067), (16581, 48559), (20811, 38689)]