4257729

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3589

約数の個数: 24

約数和(自身を含む): 7400640

約数和(自身を除く): 3142911

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 3557, 10671, 24899, 32013, 67583, 74697, 202749, 224091, 473081, 608247, 1419243, 4257729]

約数ペア:

[(1, 4257729), (3, 1419243), (7, 608247), (9, 473081), (19, 224091), (21, 202749), (57, 74697), (63, 67583), (133, 32013), (171, 24899), (399, 10671), (1197, 3557)]