253184421

素因数分解:

$3^1\times 7^3\times {\mathrm{246049}}^1$

素因数の和:246073

約数の個数: 16

約数和(自身を含む): 393680000

約数和(自身を除く): 140495579

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 246049, 738147, 1722343, 5167029, 12056401, 36169203, 84394807, 253184421]

約数ペア:

[(1, 253184421), (3, 84394807), (7, 36169203), (21, 12056401), (49, 5167029), (147, 1722343), (343, 738147), (1029, 246049)]