421508367

素因数分解:

$3^4\times 7^1\times {\mathrm{743401}}^1$

素因数の和:743420

約数の個数: 20

約数和(自身を含む): 719613136

約数和(自身を除く): 298104769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 743401, 2230203, 5203807, 6690609, 15611421, 20071827, 46834263, 60215481, 140502789, 421508367]

約数ペア:

[(1, 421508367), (3, 140502789), (7, 60215481), (9, 46834263), (21, 20071827), (27, 15611421), (63, 6690609), (81, 5203807), (189, 2230203), (567, 743401)]