4021605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 8446464

約数和(自身を除く): 4424859

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 751, 765, 1071, 1785, 2253, 3755, 5257, 5355, 6759, 11265, 12767, 15771, 26285, 33795, 38301, 47313, 63835, 78855, 89369, 114903, 191505, 236565, 268107, 446845, 574515, 804321, 1340535, 4021605]

約数ペア:

[(1, 4021605), (3, 1340535), (5, 804321), (7, 574515), (9, 446845), (15, 268107), (17, 236565), (21, 191505), (35, 114903), (45, 89369), (51, 78855), (63, 63835), (85, 47313), (105, 38301), (119, 33795), (153, 26285), (255, 15771), (315, 12767), (357, 11265), (595, 6759), (751, 5355), (765, 5257), (1071, 3755), (1785, 2253)]