210380863

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20587

約数の個数: 24

約数和(自身を含む): 281041920

約数和(自身を除く): 70661057

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 10241, 20543, 143801, 225973, 390317, 1006607, 1581811, 2732219, 4293487, 11072677, 19125533, 30054409, 210380863]

約数ペア:

[(1, 210380863), (7, 30054409), (11, 19125533), (19, 11072677), (49, 4293487), (77, 2732219), (133, 1581811), (209, 1006607), (539, 390317), (931, 225973), (1463, 143801), (10241, 20543)]