128557005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{372629}}^1$

素因数の和:372660

約数の個数: 16

約数和(自身を含む): 214634880

約数和(自身を除く): 86077875

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 372629, 1117887, 1863145, 5589435, 8570467, 25711401, 42852335, 128557005]

約数ペア:

[(1, 128557005), (3, 42852335), (5, 25711401), (15, 8570467), (23, 5589435), (69, 1863145), (115, 1117887), (345, 372629)]