127983798

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{21481}}^1$

素因数の和:21820

約数の個数: 24

約数和(自身を含む): 278148936

約数和(自身を除く): 150165138

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 5958, 21481, 42962, 64443, 128886, 193329, 386658, 7110211, 14220422, 21330633, 42661266, 63991899, 127983798]

約数ペア:

[(1, 127983798), (2, 63991899), (3, 42661266), (6, 21330633), (9, 14220422), (18, 7110211), (331, 386658), (662, 193329), (993, 128886), (1986, 64443), (2979, 42962), (5958, 21481)]