400014771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1171}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 606439680

約数和(自身を除く): 206424909

約数列:

[1, 3, 13, 19, 39, 57, 247, 461, 741, 1171, 1383, 3513, 5993, 8759, 15223, 17979, 22249, 26277, 45669, 66747, 113867, 289237, 341601, 539831, 867711, 1619493, 7017803, 10256789, 21053409, 30770367, 133338257, 400014771]

約数ペア:

[(1, 400014771), (3, 133338257), (13, 30770367), (19, 21053409), (39, 10256789), (57, 7017803), (247, 1619493), (461, 867711), (741, 539831), (1171, 341601), (1383, 289237), (3513, 113867), (5993, 66747), (8759, 45669), (15223, 26277), (17979, 22249)]