820709967

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{46141}}^1$

素因数の和:46180

約数の個数: 36

約数和(自身を含む): 1399210008

約数和(自身を除く): 578500041

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1617, 2541, 5929, 17787, 46141, 138423, 322987, 507551, 968961, 1522653, 2260909, 3552857, 5583061, 6782727, 10658571, 16749183, 24869999, 39081427, 74609997, 117244281, 273569989, 820709967]

約数ペア:

[(1, 820709967), (3, 273569989), (7, 117244281), (11, 74609997), (21, 39081427), (33, 24869999), (49, 16749183), (77, 10658571), (121, 6782727), (147, 5583061), (231, 3552857), (363, 2260909), (539, 1522653), (847, 968961), (1617, 507551), (2541, 322987), (5929, 138423), (17787, 46141)]