287289321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3319}}^1$

素因数の和:3437

約数の個数: 32

約数和(自身を含む): 434734080

約数和(自身を除く): 147444759

約数列:

[1, 3, 11, 33, 43, 61, 129, 183, 473, 671, 1419, 2013, 2623, 3319, 7869, 9957, 28853, 36509, 86559, 109527, 142717, 202459, 428151, 607377, 1569887, 2227049, 4709661, 6681147, 8705737, 26117211, 95763107, 287289321]

約数ペア:

[(1, 287289321), (3, 95763107), (11, 26117211), (33, 8705737), (43, 6681147), (61, 4709661), (129, 2227049), (183, 1569887), (473, 607377), (671, 428151), (1419, 202459), (2013, 142717), (2623, 109527), (3319, 86559), (7869, 36509), (9957, 28853)]