42420429

素因数分解:

$3^4\times {\mathrm{367}}^1\times {\mathrm{1427}}^1$

素因数の和:1806

約数の個数: 20

約数和(自身を含む): 63585984

約数和(自身を除く): 21165555

約数列:

[1, 3, 9, 27, 81, 367, 1101, 1427, 3303, 4281, 9909, 12843, 29727, 38529, 115587, 523709, 1571127, 4713381, 14140143, 42420429]

約数ペア:

[(1, 42420429), (3, 14140143), (9, 4713381), (27, 1571127), (81, 523709), (367, 115587), (1101, 38529), (1427, 29727), (3303, 12843), (4281, 9909)]