31277745

素因数分解:

$3^6\times 5^1\times {\mathrm{8581}}^1$

素因数の和:8604

約数の個数: 28

約数和(自身を含む): 56280756

約数和(自身を除く): 25003011

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 8581, 25743, 42905, 77229, 128715, 231687, 386145, 695061, 1158435, 2085183, 3475305, 6255549, 10425915, 31277745]

約数ペア:

[(1, 31277745), (3, 10425915), (5, 6255549), (9, 3475305), (15, 2085183), (27, 1158435), (45, 695061), (81, 386145), (135, 231687), (243, 128715), (405, 77229), (729, 42905), (1215, 25743), (3645, 8581)]