66981405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{194149}}^1$

素因数の和:194180

約数の個数: 16

約数和(自身を含む): 111830400

約数和(自身を除く): 44848995

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 194149, 582447, 970745, 2912235, 4465427, 13396281, 22327135, 66981405]

約数ペア:

[(1, 66981405), (3, 22327135), (5, 13396281), (15, 4465427), (23, 2912235), (69, 970745), (115, 582447), (345, 194149)]