312929487

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15641}}^1$

素因数の和:15685

約数の個数: 40

約数和(自身を含む): 529950960

約数和(自身を除く): 217021473

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 15641, 20007, 46923, 140769, 203333, 297179, 422307, 609999, 891537, 1266921, 1829997, 2674611, 3863327, 5489991, 8023833, 11589981, 16469973, 24071499, 34769943, 104309829, 312929487]

約数ペア:

[(1, 312929487), (3, 104309829), (9, 34769943), (13, 24071499), (19, 16469973), (27, 11589981), (39, 8023833), (57, 5489991), (81, 3863327), (117, 2674611), (171, 1829997), (247, 1266921), (351, 891537), (513, 609999), (741, 422307), (1053, 297179), (1539, 203333), (2223, 140769), (6669, 46923), (15641, 20007)]