51343761

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 80352000

約数和(自身を除く): 29008239

約数列:

[1, 3, 7, 21, 61, 149, 183, 269, 427, 447, 807, 1043, 1281, 1883, 3129, 5649, 9089, 16409, 27267, 40081, 49227, 63623, 114863, 120243, 190869, 280567, 344589, 841701, 2444941, 7334823, 17114587, 51343761]

約数ペア:

[(1, 51343761), (3, 17114587), (7, 7334823), (21, 2444941), (61, 841701), (149, 344589), (183, 280567), (269, 190869), (427, 120243), (447, 114863), (807, 63623), (1043, 49227), (1281, 40081), (1883, 27267), (3129, 16409), (5649, 9089)]