9990378

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:840

約数の個数: 40

約数和(自身を含む): 22686048

約数和(自身を除く): 12695670

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 498, 743, 747, 1486, 1494, 2229, 2241, 4458, 4482, 6687, 6723, 13374, 13446, 20061, 40122, 60183, 61669, 120366, 123338, 185007, 370014, 555021, 1110042, 1665063, 3330126, 4995189, 9990378]

約数ペア:

[(1, 9990378), (2, 4995189), (3, 3330126), (6, 1665063), (9, 1110042), (18, 555021), (27, 370014), (54, 185007), (81, 123338), (83, 120366), (162, 61669), (166, 60183), (249, 40122), (498, 20061), (743, 13446), (747, 13374), (1486, 6723), (1494, 6687), (2229, 4482), (2241, 4458)]