2971839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 4301024

約数和(自身を除く): 1329185

約数列:

[1, 3, 13, 39, 181, 421, 543, 1263, 2353, 5473, 7059, 16419, 76201, 228603, 990613, 2971839]

約数ペア:

[(1, 2971839), (3, 990613), (13, 228603), (39, 76201), (181, 16419), (421, 7059), (543, 5473), (1263, 2353)]