638905347

素因数分解:

$3^3\times {\mathrm{227}}^1\times {\mathrm{104243}}^1$

素因数の和:104479

約数の個数: 16

約数和(自身を含む): 950705280

約数和(自身を除く): 311799933

約数列:

[1, 3, 9, 27, 227, 681, 2043, 6129, 104243, 312729, 938187, 2814561, 23663161, 70989483, 212968449, 638905347]

約数ペア:

[(1, 638905347), (3, 212968449), (9, 70989483), (27, 23663161), (227, 2814561), (681, 938187), (2043, 312729), (6129, 104243)]