39770721

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 58893120

約数和(自身を除く): 19122399

約数列:

[1, 3, 9, 71, 109, 213, 327, 571, 639, 981, 1713, 5139, 7739, 23217, 40541, 62239, 69651, 121623, 186717, 364869, 560151, 4418969, 13256907, 39770721]

約数ペア:

[(1, 39770721), (3, 13256907), (9, 4418969), (71, 560151), (109, 364869), (213, 186717), (327, 121623), (571, 69651), (639, 62239), (981, 40541), (1713, 23217), (5139, 7739)]