51355185

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 96624576

約数和(自身を除く): 45269391

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 107, 147, 245, 321, 535, 653, 735, 749, 1605, 1959, 2247, 3265, 3745, 4571, 5243, 9795, 11235, 13713, 15729, 22855, 26215, 31997, 68565, 69871, 78645, 95991, 159985, 209613, 349355, 479955, 489097, 1048065, 1467291, 2445485, 3423679, 7336455, 10271037, 17118395, 51355185]

約数ペア:

[(1, 51355185), (3, 17118395), (5, 10271037), (7, 7336455), (15, 3423679), (21, 2445485), (35, 1467291), (49, 1048065), (105, 489097), (107, 479955), (147, 349355), (245, 209613), (321, 159985), (535, 95991), (653, 78645), (735, 69871), (749, 68565), (1605, 31997), (1959, 26215), (2247, 22855), (3265, 15729), (3745, 13713), (4571, 11235), (5243, 9795)]