28403055

素因数分解:

$3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 51795744

約数和(自身を除く): 23392689

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 241, 243, 291, 405, 485, 723, 873, 1205, 1215, 1455, 2169, 2619, 3615, 4365, 6507, 7857, 10845, 13095, 19521, 23377, 23571, 32535, 39285, 58563, 70131, 97605, 116885, 117855, 210393, 292815, 350655, 631179, 1051965, 1893537, 3155895, 5680611, 9467685, 28403055]

約数ペア:

[(1, 28403055), (3, 9467685), (5, 5680611), (9, 3155895), (15, 1893537), (27, 1051965), (45, 631179), (81, 350655), (97, 292815), (135, 210393), (241, 117855), (243, 116885), (291, 97605), (405, 70131), (485, 58563), (723, 39285), (873, 32535), (1205, 23571), (1215, 23377), (1455, 19521), (2169, 13095), (2619, 10845), (3615, 7857), (4365, 6507)]