2661729

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 4350240

約数和(自身を除く): 1688511

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 953, 2793, 2859, 6671, 18107, 20013, 46697, 54321, 126749, 140091, 380247, 887243, 2661729]

約数ペア:

[(1, 2661729), (3, 887243), (7, 380247), (19, 140091), (21, 126749), (49, 54321), (57, 46697), (133, 20013), (147, 18107), (399, 6671), (931, 2859), (953, 2793)]