31223633

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 39072000

約数和(自身を除く): 7848367

約数列:

[1, 7, 29, 43, 49, 73, 203, 301, 343, 511, 1247, 1421, 2107, 2117, 3139, 3577, 8729, 9947, 14749, 14819, 21973, 25039, 61103, 91031, 103733, 153811, 427721, 637217, 726131, 1076677, 4460519, 31223633]

約数ペア:

[(1, 31223633), (7, 4460519), (29, 1076677), (43, 726131), (49, 637217), (73, 427721), (203, 153811), (301, 103733), (343, 91031), (511, 61103), (1247, 25039), (1421, 21973), (2107, 14819), (2117, 14749), (3139, 9947), (3577, 8729)]