81205551

素因数分解:

$3^3\times 7^1\times {\mathrm{429659}}^1$

素因数の和:429675

約数の個数: 16

約数和(自身を含む): 137491200

約数和(自身を除く): 56285649

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 429659, 1288977, 3007613, 3866931, 9022839, 11600793, 27068517, 81205551]

約数ペア:

[(1, 81205551), (3, 27068517), (7, 11600793), (9, 9022839), (21, 3866931), (27, 3007613), (63, 1288977), (189, 429659)]