289345917

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{69941}}^1$

素因数の和:70148

約数の個数: 16

約数和(自身を含む): 443152512

約数和(自身を除く): 153806595

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 69941, 209823, 489587, 1468761, 13778377, 41335131, 96448639, 289345917]

約数ペア:

[(1, 289345917), (3, 96448639), (7, 41335131), (21, 13778377), (197, 1468761), (591, 489587), (1379, 209823), (4137, 69941)]