17977967091

素因数分解:

$3^4\times 7^1\times {\mathrm{31707173}}^1$

素因数の和:31707192

約数の個数: 20

約数和(自身を含む): 30692544432

約数和(自身を除く): 12714577341

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 31707173, 95121519, 221950211, 285364557, 665850633, 856093671, 1997551899, 2568281013, 5992655697, 17977967091]

約数ペア:

[(1, 17977967091), (3, 5992655697), (7, 2568281013), (9, 1997551899), (21, 856093671), (27, 665850633), (63, 285364557), (81, 221950211), (189, 95121519), (567, 31707173)]