245393379

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18637}}^1$

素因数の和:18680

約数の個数: 48

約数和(自身を含む): 465204480

約数和(自身を除く): 219811101

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 18637, 55911, 130459, 167733, 205007, 354103, 391377, 615021, 1062309, 1174131, 1435049, 1845063, 2478721, 3186927, 3895133, 4305147, 7436163, 11685399, 12915441, 22308489, 27265931, 35056197, 81797793, 245393379]

約数ペア:

[(1, 245393379), (3, 81797793), (7, 35056197), (9, 27265931), (11, 22308489), (19, 12915441), (21, 11685399), (33, 7436163), (57, 4305147), (63, 3895133), (77, 3186927), (99, 2478721), (133, 1845063), (171, 1435049), (209, 1174131), (231, 1062309), (399, 615021), (627, 391377), (693, 354103), (1197, 205007), (1463, 167733), (1881, 130459), (4389, 55911), (13167, 18637)]