278323461

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{3919}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 433771520

約数和(自身を除く): 155448059

約数列:

[1, 3, 9, 13, 39, 117, 607, 1821, 3919, 5463, 7891, 11757, 23673, 35271, 50947, 71019, 152841, 458523, 2378833, 7136499, 21409497, 30924829, 92774487, 278323461]

約数ペア:

[(1, 278323461), (3, 92774487), (9, 30924829), (13, 21409497), (39, 7136499), (117, 2378833), (607, 458523), (1821, 152841), (3919, 71019), (5463, 50947), (7891, 35271), (11757, 23673)]