388498467

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{7829}}^1$

素因数の和:7995

約数の個数: 32

約数和(自身を含む): 631411200

約数和(自身を除く): 242912733

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 973, 2363, 2919, 7089, 7829, 16541, 23487, 49623, 54803, 133093, 164409, 399279, 931651, 1088231, 2794953, 3264693, 7617617, 18499927, 22852851, 55499781, 129499489, 388498467]

約数ペア:

[(1, 388498467), (3, 129499489), (7, 55499781), (17, 22852851), (21, 18499927), (51, 7617617), (119, 3264693), (139, 2794953), (357, 1088231), (417, 931651), (973, 399279), (2363, 164409), (2919, 133093), (7089, 54803), (7829, 49623), (16541, 23487)]