1977705

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 3481920

約数和(自身を除く): 1504215

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 619, 639, 1065, 1857, 3095, 3195, 5571, 9285, 27855, 43949, 131847, 219745, 395541, 659235, 1977705]

約数ペア:

[(1, 1977705), (3, 659235), (5, 395541), (9, 219745), (15, 131847), (45, 43949), (71, 27855), (213, 9285), (355, 5571), (619, 3195), (639, 3095), (1065, 1857)]