290859261

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{18793}}^1$

素因数の和:18881

約数の個数: 32

約数和(自身を含む): 490748928

約数和(自身を除く): 199889667

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1407, 2211, 5159, 15477, 18793, 56379, 131551, 206723, 394653, 620169, 1259131, 1447061, 3777393, 4341183, 8813917, 13850441, 26441751, 41551323, 96953087, 290859261]

約数ペア:

[(1, 290859261), (3, 96953087), (7, 41551323), (11, 26441751), (21, 13850441), (33, 8813917), (67, 4341183), (77, 3777393), (201, 1447061), (231, 1259131), (469, 620169), (737, 394653), (1407, 206723), (2211, 131551), (5159, 56379), (15477, 18793)]