420042903

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{30631}}^1$

素因数の和:31294

約数の個数: 16

約数和(自身を含む): 641066496

約数和(自身を除く): 221023593

約数列:

[1, 3, 7, 21, 653, 1959, 4571, 13713, 30631, 91893, 214417, 643251, 20002043, 60006129, 140014301, 420042903]

約数ペア:

[(1, 420042903), (3, 140014301), (7, 60006129), (21, 20002043), (653, 643251), (1959, 214417), (4571, 91893), (13713, 30631)]