7801542

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{20639}}^1$

素因数の和:20657

約数の個数: 32

約数和(自身を含む): 19814400

約数和(自身を除く): 12012858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 20639, 41278, 61917, 123834, 144473, 185751, 288946, 371502, 433419, 557253, 866838, 1114506, 1300257, 2600514, 3900771, 7801542]

約数ペア:

[(1, 7801542), (2, 3900771), (3, 2600514), (6, 1300257), (7, 1114506), (9, 866838), (14, 557253), (18, 433419), (21, 371502), (27, 288946), (42, 185751), (54, 144473), (63, 123834), (126, 61917), (189, 41278), (378, 20639)]