11720961

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8089}}^1$

素因数の和:8125

約数の個数: 24

約数和(自身を含む): 20192640

約数和(自身を除く): 8471679

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 8089, 24267, 56623, 72801, 169869, 186047, 509607, 558141, 1302329, 1674423, 3906987, 11720961]

約数ペア:

[(1, 11720961), (3, 3906987), (7, 1674423), (9, 1302329), (21, 558141), (23, 509607), (63, 186047), (69, 169869), (161, 72801), (207, 56623), (483, 24267), (1449, 8089)]