12780009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{773}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 20284992

約数和(自身を除く): 7504983

約数列:

[1, 3, 9, 11, 33, 99, 167, 501, 773, 1503, 1837, 2319, 5511, 6957, 8503, 16533, 25509, 76527, 129091, 387273, 1161819, 1420001, 4260003, 12780009]

約数ペア:

[(1, 12780009), (3, 4260003), (9, 1420001), (11, 1161819), (33, 387273), (99, 129091), (167, 76527), (501, 25509), (773, 16533), (1503, 8503), (1837, 6957), (2319, 5511)]