207966191931

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{135130729}}^1$

素因数の和:135130760

約数の個数: 20

約数和(自身を含む): 327016366600

約数和(自身を除く): 119050174669

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 135130729, 405392187, 1216176561, 2567483851, 3648529683, 7702451553, 10945589049, 23107354659, 69322063977, 207966191931]

約数ペア:

[(1, 207966191931), (3, 69322063977), (9, 23107354659), (19, 10945589049), (27, 7702451553), (57, 3648529683), (81, 2567483851), (171, 1216176561), (513, 405392187), (1539, 135130729)]