87284631

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{8363}}^1$

素因数の和:8451

約数の個数: 24

約数和(自身を含む): 137303424

約数和(自身を除く): 50018793

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 8363, 10437, 25089, 58541, 175623, 409787, 593773, 1229361, 1781319, 4156411, 12469233, 29094877, 87284631]

約数ペア:

[(1, 87284631), (3, 29094877), (7, 12469233), (21, 4156411), (49, 1781319), (71, 1229361), (147, 593773), (213, 409787), (497, 175623), (1491, 58541), (3479, 25089), (8363, 10437)]