128439351

素因数分解:

$3^5\times {\mathrm{541}}^1\times {\mathrm{977}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 192947664

約数和(自身を除く): 64508313

約数列:

[1, 3, 9, 27, 81, 243, 541, 977, 1623, 2931, 4869, 8793, 14607, 26379, 43821, 79137, 131463, 237411, 528557, 1585671, 4757013, 14271039, 42813117, 128439351]

約数ペア:

[(1, 128439351), (3, 42813117), (9, 14271039), (27, 4757013), (81, 1585671), (243, 528557), (541, 237411), (977, 131463), (1623, 79137), (2931, 43821), (4869, 26379), (8793, 14607)]