1489679991

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{106307}}^1$

素因数の和:106492

約数の個数: 20

約数和(自身を含む): 2238208632

約数和(自身を除く): 748528641

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 14013, 106307, 318921, 956763, 2870289, 8610867, 18391111, 55173333, 165519999, 496559997, 1489679991]

約数ペア:

[(1, 1489679991), (3, 496559997), (9, 165519999), (27, 55173333), (81, 18391111), (173, 8610867), (519, 2870289), (1557, 956763), (4671, 318921), (14013, 106307)]