397199997

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{40751}}^1$

素因数の和:40798

約数の個数: 24

約数和(自身を含む): 621060480

約数和(自身を除く): 223860483

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 3249, 9747, 40751, 122253, 366759, 774269, 1100277, 2322807, 6968421, 14711111, 20905263, 44133333, 132399999, 397199997]

約数ペア:

[(1, 397199997), (3, 132399999), (9, 44133333), (19, 20905263), (27, 14711111), (57, 6968421), (171, 2322807), (361, 1100277), (513, 774269), (1083, 366759), (3249, 122253), (9747, 40751)]