1311021

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 2023424

約数和(自身を除く): 712403

約数列:

[1, 3, 9, 31, 37, 93, 111, 127, 279, 333, 381, 1143, 1147, 3441, 3937, 4699, 10323, 11811, 14097, 35433, 42291, 145669, 437007, 1311021]

約数ペア:

[(1, 1311021), (3, 437007), (9, 145669), (31, 42291), (37, 35433), (93, 14097), (111, 11811), (127, 10323), (279, 4699), (333, 3937), (381, 3441), (1143, 1147)]