388292805

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42929}}^1$

素因数の和:43010

約数の個数: 32

約数和(自身を含む): 700617600

約数和(自身を除く): 312324795

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 3015, 9045, 42929, 128787, 214645, 386361, 643935, 1159083, 1931805, 2876243, 5795415, 8628729, 14381215, 25886187, 43143645, 77658561, 129430935, 388292805]

約数ペア:

[(1, 388292805), (3, 129430935), (5, 77658561), (9, 43143645), (15, 25886187), (27, 14381215), (45, 8628729), (67, 5795415), (135, 2876243), (201, 1931805), (335, 1159083), (603, 643935), (1005, 386361), (1809, 214645), (3015, 128787), (9045, 42929)]