19920405

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13691}}^1$

素因数の和:13796

約数の個数: 16

約数和(自身を含む): 32203584

約数和(自身を除く): 12283179

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 13691, 41073, 68455, 205365, 1328027, 3984081, 6640135, 19920405]

約数ペア:

[(1, 19920405), (3, 6640135), (5, 3984081), (15, 1328027), (97, 205365), (291, 68455), (485, 41073), (1455, 13691)]