2783255391

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{142973}}^1$

素因数の和:143092

約数の個数: 32

約数和(自身を含む): 4758174720

約数和(自身を除く): 1974919329

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 2163, 2781, 6489, 19467, 142973, 428919, 1000811, 1286757, 3002433, 3860271, 9007299, 14726219, 27021897, 44178657, 103083533, 132535971, 309250599, 397607913, 927751797, 2783255391]

約数ペア:

[(1, 2783255391), (3, 927751797), (7, 397607913), (9, 309250599), (21, 132535971), (27, 103083533), (63, 44178657), (103, 27021897), (189, 14726219), (309, 9007299), (721, 3860271), (927, 3002433), (2163, 1286757), (2781, 1000811), (6489, 428919), (19467, 142973)]