280461999

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{4289}}^1$

素因数の和:4670

約数の個数: 16

約数和(自身を含む): 380540160

約数和(自身を除く): 100078161

約数列:

[1, 3, 71, 213, 307, 921, 4289, 12867, 21797, 65391, 304519, 913557, 1316723, 3950169, 93487333, 280461999]

約数ペア:

[(1, 280461999), (3, 93487333), (71, 3950169), (213, 1316723), (307, 913557), (921, 304519), (4289, 65391), (12867, 21797)]