211978107

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3623}}^1$

素因数の和:3840

約数の個数: 32

約数和(自身を含む): 344424960

約数和(自身を除く): 132446853

約数列:

[1, 3, 9, 11, 27, 33, 99, 197, 297, 591, 1773, 2167, 3623, 5319, 6501, 10869, 19503, 32607, 39853, 58509, 97821, 119559, 358677, 713731, 1076031, 2141193, 6423579, 7851041, 19270737, 23553123, 70659369, 211978107]

約数ペア:

[(1, 211978107), (3, 70659369), (9, 23553123), (11, 19270737), (27, 7851041), (33, 6423579), (99, 2141193), (197, 1076031), (297, 713731), (591, 358677), (1773, 119559), (2167, 97821), (3623, 58509), (5319, 39853), (6501, 32607), (10869, 19503)]