215501454747

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{37471997}}^1$

素因数の和:37472080

約数の個数: 20

約数和(自身を含む): 326456046576

約数和(自身を除く): 110954591829

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 37471997, 112415991, 337247973, 1011743919, 2660511787, 3035231757, 7981535361, 23944606083, 71833818249, 215501454747]

約数ペア:

[(1, 215501454747), (3, 71833818249), (9, 23944606083), (27, 7981535361), (71, 3035231757), (81, 2660511787), (213, 1011743919), (639, 337247973), (1917, 112415991), (5751, 37471997)]