321125553

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15307}}^1$

素因数の和:15363

約数の個数: 40

約数和(自身を含む): 563089472

約数和(自身を除く): 241963919

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 15307, 20979, 45921, 107149, 137763, 321447, 413289, 566359, 964341, 1239867, 1699077, 2893023, 3964513, 5097231, 8679069, 11893539, 15291693, 35680617, 45875079, 107041851, 321125553]

約数ペア:

[(1, 321125553), (3, 107041851), (7, 45875079), (9, 35680617), (21, 15291693), (27, 11893539), (37, 8679069), (63, 5097231), (81, 3964513), (111, 2893023), (189, 1699077), (259, 1239867), (333, 964341), (567, 566359), (777, 413289), (999, 321447), (2331, 137763), (2997, 107149), (6993, 45921), (15307, 20979)]