78930693

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{51287}}^1$

素因数の和:51318

約数の個数: 20

約数和(自身を含む): 124116960

約数和(自身を除く): 45186267

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 51287, 153861, 461583, 974453, 1384749, 2923359, 4154247, 8770077, 26310231, 78930693]

約数ペア:

[(1, 78930693), (3, 26310231), (9, 8770077), (19, 4154247), (27, 2923359), (57, 1384749), (81, 974453), (171, 461583), (513, 153861), (1539, 51287)]