380520021

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{108503}}^1$

素因数の和:108680

約数の個数: 16

約数和(自身を含む): 583317504

約数和(自身を除く): 202797483

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 108503, 325509, 759521, 2278563, 18120001, 54360003, 126840007, 380520021]

約数ペア:

[(1, 380520021), (3, 126840007), (7, 54360003), (21, 18120001), (167, 2278563), (501, 759521), (1169, 325509), (3507, 108503)]