1973321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 2444160

約数和(自身を除く): 470839

約数列:

[1, 7, 19, 37, 133, 259, 401, 703, 2807, 4921, 7619, 14837, 53333, 103859, 281903, 1973321]

約数ペア:

[(1, 1973321), (7, 281903), (19, 103859), (37, 53333), (133, 14837), (259, 7619), (401, 4921), (703, 2807)]