61815481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 79027200

約数和(自身を除く): 17211719

約数列:

[1, 7, 13, 47, 91, 97, 149, 329, 611, 679, 1043, 1261, 1937, 4277, 4559, 7003, 8827, 13559, 14453, 31913, 49021, 59267, 91039, 101171, 187889, 414869, 637273, 679291, 1315223, 4755037, 8830783, 61815481]

約数ペア:

[(1, 61815481), (7, 8830783), (13, 4755037), (47, 1315223), (91, 679291), (97, 637273), (149, 414869), (329, 187889), (611, 101171), (679, 91039), (1043, 59267), (1261, 49021), (1937, 31913), (4277, 14453), (4559, 13559), (7003, 8827)]