28320705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 60088320

約数和(自身を除く): 31767615

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 1035, 1303, 1449, 2415, 3105, 3909, 4347, 6515, 7245, 9121, 11727, 19545, 21735, 27363, 29969, 35181, 45605, 58635, 82089, 89907, 136815, 149845, 175905, 209783, 246267, 269721, 410445, 449535, 629349, 809163, 1048915, 1231335, 1348605, 1888047, 3146745, 4045815, 5664141, 9440235, 28320705]

約数ペア:

[(1, 28320705), (3, 9440235), (5, 5664141), (7, 4045815), (9, 3146745), (15, 1888047), (21, 1348605), (23, 1231335), (27, 1048915), (35, 809163), (45, 629349), (63, 449535), (69, 410445), (105, 269721), (115, 246267), (135, 209783), (161, 175905), (189, 149845), (207, 136815), (315, 89907), (345, 82089), (483, 58635), (621, 45605), (805, 35181), (945, 29969), (1035, 27363), (1303, 21735), (1449, 19545), (2415, 11727), (3105, 9121), (3909, 7245), (4347, 6515)]