420208089

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{339151}}^1$

素因数の和:339220

約数の個数: 16

約数和(自身を含む): 651171840

約数和(自身を除く): 230963751

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 339151, 1017453, 2374057, 7122171, 20009909, 60029727, 140069363, 420208089]

約数ペア:

[(1, 420208089), (3, 140069363), (7, 60029727), (21, 20009909), (59, 7122171), (177, 2374057), (413, 1017453), (1239, 339151)]