81994626

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{216917}}^1$

素因数の和:216935

約数の個数: 32

約数和(自身を含む): 208241280

約数和(自身を除く): 126246654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 216917, 433834, 650751, 1301502, 1518419, 1952253, 3036838, 3904506, 4555257, 5856759, 9110514, 11713518, 13665771, 27331542, 40997313, 81994626]

約数ペア:

[(1, 81994626), (2, 40997313), (3, 27331542), (6, 13665771), (7, 11713518), (9, 9110514), (14, 5856759), (18, 4555257), (21, 3904506), (27, 3036838), (42, 1952253), (54, 1518419), (63, 1301502), (126, 650751), (189, 433834), (378, 216917)]