420053787

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{283}}^1\times {\mathrm{1987}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 616534464

約数和(自身を除く): 196480677

約数列:

[1, 3, 9, 83, 249, 283, 747, 849, 1987, 2547, 5961, 17883, 23489, 70467, 164921, 211401, 494763, 562321, 1484289, 1686963, 5060889, 46672643, 140017929, 420053787]

約数ペア:

[(1, 420053787), (3, 140017929), (9, 46672643), (83, 5060889), (249, 1686963), (283, 1484289), (747, 562321), (849, 494763), (1987, 211401), (2547, 164921), (5961, 70467), (17883, 23489)]