30407391

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 54

約数和(自身を含む): 54205632

約数和(自身を除く): 23798241

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 191, 361, 399, 441, 573, 931, 1083, 1197, 1337, 1719, 2527, 2793, 3249, 3629, 4011, 7581, 8379, 9359, 10887, 12033, 17689, 22743, 25403, 28077, 32661, 53067, 68951, 76209, 84231, 159201, 177821, 206853, 228627, 482657, 533463, 620559, 1447971, 1600389, 3378599, 4343913, 10135797, 30407391]

約数ペア:

[(1, 30407391), (3, 10135797), (7, 4343913), (9, 3378599), (19, 1600389), (21, 1447971), (49, 620559), (57, 533463), (63, 482657), (133, 228627), (147, 206853), (171, 177821), (191, 159201), (361, 84231), (399, 76209), (441, 68951), (573, 53067), (931, 32661), (1083, 28077), (1197, 25403), (1337, 22743), (1719, 17689), (2527, 12033), (2793, 10887), (3249, 9359), (3629, 8379), (4011, 7581)]