1600221

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 2457728

約数和(自身を除く): 857507

約数列:

[1, 3, 7, 21, 181, 421, 543, 1263, 1267, 2947, 3801, 8841, 76201, 228603, 533407, 1600221]

約数ペア:

[(1, 1600221), (3, 533407), (7, 228603), (21, 76201), (181, 8841), (421, 3801), (543, 2947), (1263, 1267)]