31198401

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2749}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 49049000

約数和(自身を除く): 17850599

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 2749, 3783, 8247, 11349, 24741, 35737, 107211, 266653, 321633, 799959, 2399877, 3466489, 10399467, 31198401]

約数ペア:

[(1, 31198401), (3, 10399467), (9, 3466489), (13, 2399877), (39, 799959), (97, 321633), (117, 266653), (291, 107211), (873, 35737), (1261, 24741), (2749, 11349), (3783, 8247)]