278996931

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{52631}}^1$

素因数の和:52687

約数の個数: 24

約数和(自身を含む): 437898240

約数和(自身を除く): 158901309

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 5301, 52631, 157893, 473679, 999989, 1631561, 2999967, 4894683, 8999901, 14684049, 30999659, 92998977, 278996931]

約数ペア:

[(1, 278996931), (3, 92998977), (9, 30999659), (19, 14684049), (31, 8999901), (57, 4894683), (93, 2999967), (171, 1631561), (279, 999989), (589, 473679), (1767, 157893), (5301, 52631)]