81909165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{420047}}^1$

素因数の和:420068

約数の個数: 16

約数和(自身を含む): 141136128

約数和(自身を除く): 59226963

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 420047, 1260141, 2100235, 5460611, 6300705, 16381833, 27303055, 81909165]

約数ペア:

[(1, 81909165), (3, 27303055), (5, 16381833), (13, 6300705), (15, 5460611), (39, 2100235), (65, 1260141), (195, 420047)]