147996821

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{6257}}^1$

素因数の和:6404

約数の個数: 16

約数和(自身を含む): 176225280

約数和(自身を除く): 28228459

約数列:

[1, 7, 31, 109, 217, 763, 3379, 6257, 23653, 43799, 193967, 682013, 1357769, 4774091, 21142403, 147996821]

約数ペア:

[(1, 147996821), (7, 21142403), (31, 4774091), (109, 1357769), (217, 682013), (763, 193967), (3379, 43799), (6257, 23653)]