438156783

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{49627}}^1$

素因数の和:49748

約数の個数: 20

約数和(自身を含む): 660548680

約数和(自身を除く): 222391897

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 49627, 148881, 446643, 1339929, 4019787, 5409343, 16228029, 48684087, 146052261, 438156783]

約数ペア:

[(1, 438156783), (3, 146052261), (9, 48684087), (27, 16228029), (81, 5409343), (109, 4019787), (327, 1339929), (981, 446643), (2943, 148881), (8829, 49627)]