31287498

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20611}}^1$

素因数の和:20650

約数の個数: 32

約数和(自身を含む): 71235072

約数和(自身を除く): 39947574

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 20611, 41222, 61833, 123666, 226721, 453442, 474053, 680163, 948106, 1360326, 1422159, 2844318, 5214583, 10429166, 15643749, 31287498]

約数ペア:

[(1, 31287498), (2, 15643749), (3, 10429166), (6, 5214583), (11, 2844318), (22, 1422159), (23, 1360326), (33, 948106), (46, 680163), (66, 474053), (69, 453442), (138, 226721), (253, 123666), (506, 61833), (759, 41222), (1518, 20611)]