144281921

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{18289}}^1$

素因数の和:18333

約数の個数: 16

約数和(自身を含む): 175584000

約数和(自身を除く): 31302079

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 18289, 128023, 420647, 896161, 2944529, 6273127, 20611703, 144281921]

約数ペア:

[(1, 144281921), (7, 20611703), (23, 6273127), (49, 2944529), (161, 896161), (343, 420647), (1127, 128023), (7889, 18289)]