3999954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 9225216

約数和(自身を除く): 5225262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 727, 786, 917, 1454, 1834, 2181, 2751, 4362, 5089, 5502, 10178, 15267, 30534, 95237, 190474, 285711, 571422, 666659, 1333318, 1999977, 3999954]

約数ペア:

[(1, 3999954), (2, 1999977), (3, 1333318), (6, 666659), (7, 571422), (14, 285711), (21, 190474), (42, 95237), (131, 30534), (262, 15267), (393, 10178), (727, 5502), (786, 5089), (917, 4362), (1454, 2751), (1834, 2181)]