81393354

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645979}}^1$

素因数の和:645994

約数の個数: 24

約数和(自身を含む): 201545760

約数和(自身を除く): 120152406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645979, 1291958, 1937937, 3875874, 4521853, 5813811, 9043706, 11627622, 13565559, 27131118, 40696677, 81393354]

約数ペア:

[(1, 81393354), (2, 40696677), (3, 27131118), (6, 13565559), (7, 11627622), (9, 9043706), (14, 5813811), (18, 4521853), (21, 3875874), (42, 1937937), (63, 1291958), (126, 645979)]