11781855

素因数分解:

$3^5\times 5^1\times {\mathrm{9697}}^1$

素因数の和:9717

約数の個数: 24

約数和(自身を含む): 21180432

約数和(自身を除く): 9398577

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 9697, 29091, 48485, 87273, 145455, 261819, 436365, 785457, 1309095, 2356371, 3927285, 11781855]

約数ペア:

[(1, 11781855), (3, 3927285), (5, 2356371), (9, 1309095), (15, 785457), (27, 436365), (45, 261819), (81, 145455), (135, 87273), (243, 48485), (405, 29091), (1215, 9697)]