291206331

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 481921440

約数和(自身を除く): 190715109

約数列:

[1, 3, 9, 13, 19, 39, 57, 101, 117, 171, 247, 303, 741, 909, 1297, 1313, 1919, 2223, 3891, 3939, 5757, 11673, 11817, 16861, 17271, 24643, 24947, 50583, 73929, 74841, 130997, 151749, 221787, 224523, 320359, 392991, 961077, 1178973, 1702961, 2488943, 2883231, 5108883, 7466829, 15326649, 22400487, 32356259, 97068777, 291206331]

約数ペア:

[(1, 291206331), (3, 97068777), (9, 32356259), (13, 22400487), (19, 15326649), (39, 7466829), (57, 5108883), (101, 2883231), (117, 2488943), (171, 1702961), (247, 1178973), (303, 961077), (741, 392991), (909, 320359), (1297, 224523), (1313, 221787), (1919, 151749), (2223, 130997), (3891, 74841), (3939, 73929), (5757, 50583), (11673, 24947), (11817, 24643), (16861, 17271)]