381559995

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{19403}}^1$

素因数の和:19456

約数の個数: 48

約数和(自身を含む): 726485760

約数和(自身を除く): 344925765

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 2185, 3933, 6555, 19403, 19665, 58209, 97015, 174627, 291045, 368657, 446269, 873135, 1105971, 1338807, 1843285, 2231345, 3317913, 4016421, 5529855, 6694035, 8479111, 16589565, 20082105, 25437333, 42395555, 76311999, 127186665, 381559995]

約数ペア:

[(1, 381559995), (3, 127186665), (5, 76311999), (9, 42395555), (15, 25437333), (19, 20082105), (23, 16589565), (45, 8479111), (57, 6694035), (69, 5529855), (95, 4016421), (115, 3317913), (171, 2231345), (207, 1843285), (285, 1338807), (345, 1105971), (437, 873135), (855, 446269), (1035, 368657), (1311, 291045), (2185, 174627), (3933, 97015), (6555, 58209), (19403, 19665)]