1964543721

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{67157}}^1$

素因数の和:67373

約数の個数: 24

約数和(自身を含む): 3062404800

約数和(自身を除く): 1097861079

約数列:

[1, 3, 7, 21, 49, 147, 199, 597, 1393, 4179, 9751, 29253, 67157, 201471, 470099, 1410297, 3290693, 9872079, 13364243, 40092729, 93549701, 280649103, 654847907, 1964543721]

約数ペア:

[(1, 1964543721), (3, 654847907), (7, 280649103), (21, 93549701), (49, 40092729), (147, 13364243), (199, 9872079), (597, 3290693), (1393, 1410297), (4179, 470099), (9751, 201471), (29253, 67157)]