2541915

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 4761600

約数和(自身を除く): 2219685

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 991, 2565, 2973, 4955, 8919, 14865, 18829, 26757, 44595, 56487, 94145, 133785, 169461, 282435, 508383, 847305, 2541915]

約数ペア:

[(1, 2541915), (3, 847305), (5, 508383), (9, 282435), (15, 169461), (19, 133785), (27, 94145), (45, 56487), (57, 44595), (95, 26757), (135, 18829), (171, 14865), (285, 8919), (513, 4955), (855, 2973), (991, 2565)]