28920453

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 13415547

約数列:

[1, 3, 23, 29, 69, 87, 97, 149, 291, 447, 667, 2001, 2231, 2813, 3427, 4321, 6693, 8439, 10281, 12963, 14453, 43359, 64699, 99383, 194097, 298149, 332419, 419137, 997257, 1257411, 9640151, 28920453]

約数ペア:

[(1, 28920453), (3, 9640151), (23, 1257411), (29, 997257), (69, 419137), (87, 332419), (97, 298149), (149, 194097), (291, 99383), (447, 64699), (667, 43359), (2001, 14453), (2231, 12963), (2813, 10281), (3427, 8439), (4321, 6693)]