339938817

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 490291200

約数和(自身を除く): 150352383

約数列:

[1, 3, 17, 51, 79, 139, 237, 417, 607, 1343, 1821, 2363, 4029, 7089, 10319, 10981, 30957, 32943, 47953, 84373, 143859, 186677, 253119, 560031, 815201, 1434341, 2445603, 4303023, 6665467, 19996401, 113312939, 339938817]

約数ペア:

[(1, 339938817), (3, 113312939), (17, 19996401), (51, 6665467), (79, 4303023), (139, 2445603), (237, 1434341), (417, 815201), (607, 560031), (1343, 253119), (1821, 186677), (2363, 143859), (4029, 84373), (7089, 47953), (10319, 32943), (10981, 30957)]