28744545

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 47185920

約数和(自身を除く): 18441375

約数列:

[1, 3, 5, 15, 79, 127, 191, 237, 381, 395, 573, 635, 955, 1185, 1905, 2865, 10033, 15089, 24257, 30099, 45267, 50165, 72771, 75445, 121285, 150495, 226335, 363855, 1916303, 5748909, 9581515, 28744545]

約数ペア:

[(1, 28744545), (3, 9581515), (5, 5748909), (15, 1916303), (79, 363855), (127, 226335), (191, 150495), (237, 121285), (381, 75445), (395, 72771), (573, 50165), (635, 45267), (955, 30099), (1185, 24257), (1905, 15089), (2865, 10033)]