30978126

素因数分解:

$2^1\times 3^6\times {\mathrm{21247}}^1$

素因数の和:21267

約数の個数: 28

約数和(自身を含む): 69672192

約数和(自身を除く): 38694066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 21247, 42494, 63741, 127482, 191223, 382446, 573669, 1147338, 1721007, 3442014, 5163021, 10326042, 15489063, 30978126]

約数ペア:

[(1, 30978126), (2, 15489063), (3, 10326042), (6, 5163021), (9, 3442014), (18, 1721007), (27, 1147338), (54, 573669), (81, 382446), (162, 191223), (243, 127482), (486, 63741), (729, 42494), (1458, 21247)]