1999202289

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{415721}}^1$

素因数の和:415960

約数の個数: 16

約数和(自身を含む): 3059713920

約数和(自身を除く): 1060511631

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4809, 415721, 1247163, 2910047, 8730141, 95200109, 285600327, 666400763, 1999202289]

約数ペア:

[(1, 1999202289), (3, 666400763), (7, 285600327), (21, 95200109), (229, 8730141), (687, 2910047), (1603, 1247163), (4809, 415721)]