138730257

素因数分解:

$3^2\times {\mathrm{173}}^1\times {\mathrm{89101}}^1$

素因数の和:89280

約数の個数: 12

約数和(自身を含む): 201548724

約数和(自身を除く): 62818467

約数列:

[1, 3, 9, 173, 519, 1557, 89101, 267303, 801909, 15414473, 46243419, 138730257]

約数ペア:

[(1, 138730257), (3, 46243419), (9, 15414473), (173, 801909), (519, 267303), (1557, 89101)]