1998623907

素因数分解:

$3^2\times 7^2\times {\mathrm{571}}^1\times {\mathrm{7937}}^1$

素因数の和:8528

約数の個数: 36

約数和(自身を含む): 3364537176

約数和(自身を除く): 1365913269

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 571, 1713, 3997, 5139, 7937, 11991, 23811, 27979, 35973, 55559, 71433, 83937, 166677, 251811, 388913, 500031, 1166739, 3500217, 4532027, 13596081, 31724189, 40788243, 95172567, 222069323, 285517701, 666207969, 1998623907]

約数ペア:

[(1, 1998623907), (3, 666207969), (7, 285517701), (9, 222069323), (21, 95172567), (49, 40788243), (63, 31724189), (147, 13596081), (441, 4532027), (571, 3500217), (1713, 1166739), (3997, 500031), (5139, 388913), (7937, 251811), (11991, 166677), (23811, 83937), (27979, 71433), (35973, 55559)]