278374317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{13049}}^1$

素因数の和:13612

約数の個数: 16

約数和(自身を含む): 400478400

約数和(自身を除く): 122104083

約数列:

[1, 3, 13, 39, 547, 1641, 7111, 13049, 21333, 39147, 169637, 508911, 7137803, 21413409, 92791439, 278374317]

約数ペア:

[(1, 278374317), (3, 92791439), (13, 21413409), (39, 7137803), (547, 508911), (1641, 169637), (7111, 39147), (13049, 21333)]