210328839

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8123}}^1$

素因数の和:8276

約数の個数: 32

約数和(自身を含む): 358755840

約数和(自身を除く): 148427001

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2877, 3699, 8123, 8631, 24369, 25893, 56861, 73107, 170583, 219321, 511749, 1112851, 1535247, 3338553, 7789957, 10015659, 23369871, 30046977, 70109613, 210328839]

約数ペア:

[(1, 210328839), (3, 70109613), (7, 30046977), (9, 23369871), (21, 10015659), (27, 7789957), (63, 3338553), (137, 1535247), (189, 1112851), (411, 511749), (959, 219321), (1233, 170583), (2877, 73107), (3699, 56861), (8123, 25893), (8631, 24369)]