247294761

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{84719}}^1$

素因数の和:84868

約数の個数: 16

約数和(自身を含む): 379545600

約数和(自身を除く): 132250839

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 84719, 254157, 593033, 1779099, 11775941, 35327823, 82431587, 247294761]

約数ペア:

[(1, 247294761), (3, 82431587), (7, 35327823), (21, 11775941), (139, 1779099), (417, 593033), (973, 254157), (2919, 84719)]