12965781

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 6387819

約数列:

[1, 3, 17, 31, 51, 59, 93, 139, 177, 417, 527, 1003, 1581, 1829, 2363, 3009, 4309, 5487, 7089, 8201, 12927, 24603, 31093, 73253, 93279, 139417, 219759, 254231, 418251, 762693, 4321927, 12965781]

約数ペア:

[(1, 12965781), (3, 4321927), (17, 762693), (31, 418251), (51, 254231), (59, 219759), (93, 139417), (139, 93279), (177, 73253), (417, 31093), (527, 24603), (1003, 12927), (1581, 8201), (1829, 7089), (2363, 5487), (3009, 4309)]