78144507

素因数分解:

$3^4\times 7^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 134157056

約数和(自身を除く): 56012549

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 283, 487, 567, 849, 1461, 1981, 2547, 3409, 4383, 5943, 7641, 10227, 13149, 17829, 22923, 30681, 39447, 53487, 92043, 137821, 160461, 276129, 413463, 964747, 1240389, 2894241, 3721167, 8682723, 11163501, 26048169, 78144507]

約数ペア:

[(1, 78144507), (3, 26048169), (7, 11163501), (9, 8682723), (21, 3721167), (27, 2894241), (63, 1240389), (81, 964747), (189, 413463), (283, 276129), (487, 160461), (567, 137821), (849, 92043), (1461, 53487), (1981, 39447), (2547, 30681), (3409, 22923), (4383, 17829), (5943, 13149), (7641, 10227)]