42070581

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^2\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 70997472

約数和(自身を除く): 28926891

約数列:

[1, 3, 7, 9, 21, 63, 79, 107, 237, 321, 553, 711, 749, 963, 1659, 2247, 4977, 6241, 6741, 8453, 18723, 25359, 43687, 56169, 59171, 76077, 131061, 177513, 393183, 532539, 667787, 2003361, 4674509, 6010083, 14023527, 42070581]

約数ペア:

[(1, 42070581), (3, 14023527), (7, 6010083), (9, 4674509), (21, 2003361), (63, 667787), (79, 532539), (107, 393183), (237, 177513), (321, 131061), (553, 76077), (711, 59171), (749, 56169), (963, 43687), (1659, 25359), (2247, 18723), (4977, 8453), (6241, 6741)]