27807990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{18917}}^1$

素因数の和:18941

約数の個数: 48

約数和(自身を含む): 77639472

約数和(自身を除く): 49831482

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 18917, 37834, 56751, 94585, 113502, 132419, 189170, 264838, 283755, 397257, 567510, 662095, 794514, 926933, 1324190, 1853866, 1986285, 2780799, 3972570, 4634665, 5561598, 9269330, 13903995, 27807990]

約数ペア:

[(1, 27807990), (2, 13903995), (3, 9269330), (5, 5561598), (6, 4634665), (7, 3972570), (10, 2780799), (14, 1986285), (15, 1853866), (21, 1324190), (30, 926933), (35, 794514), (42, 662095), (49, 567510), (70, 397257), (98, 283755), (105, 264838), (147, 189170), (210, 132419), (245, 113502), (294, 94585), (490, 56751), (735, 37834), (1470, 18917)]