381036987

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{178639}}^1$

素因数の和:178727

約数の個数: 16

約数和(自身を含む): 571648000

約数和(自身を除く): 190611013

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 178639, 535917, 1607751, 4823253, 14112481, 42337443, 127012329, 381036987]

約数ペア:

[(1, 381036987), (3, 127012329), (9, 42337443), (27, 14112481), (79, 4823253), (237, 1607751), (711, 535917), (2133, 178639)]