257293005

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{8747}}^1$

素因数の和:8845

約数の個数: 32

約数和(自身を含む): 430821504

約数和(自身を除く): 173528499

約数列:

[1, 3, 5, 15, 37, 53, 111, 159, 185, 265, 555, 795, 1961, 5883, 8747, 9805, 26241, 29415, 43735, 131205, 323639, 463591, 970917, 1390773, 1618195, 2317955, 4854585, 6953865, 17152867, 51458601, 85764335, 257293005]

約数ペア:

[(1, 257293005), (3, 85764335), (5, 51458601), (15, 17152867), (37, 6953865), (53, 4854585), (111, 2317955), (159, 1618195), (185, 1390773), (265, 970917), (555, 463591), (795, 323639), (1961, 131205), (5883, 43735), (8747, 29415), (9805, 26241)]