398766357

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211997}}^1$

素因数の和:212033

約数の個数: 24

約数和(自身を含む): 661433760

約数和(自身を除く): 262667403

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 211997, 635991, 1907973, 2331967, 4027943, 6995901, 12083829, 20987703, 36251487, 44307373, 132922119, 398766357]

約数ペア:

[(1, 398766357), (3, 132922119), (9, 44307373), (11, 36251487), (19, 20987703), (33, 12083829), (57, 6995901), (99, 4027943), (171, 2331967), (209, 1907973), (627, 635991), (1881, 211997)]