378049178367

素因数分解:

$3^4\times 7^1\times {\mathrm{666753401}}^1$

素因数の和:666753420

約数の個数: 20

約数和(自身を含む): 645417293136

約数和(自身を除く): 267368114769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 666753401, 2000260203, 4667273807, 6000780609, 14001821421, 18002341827, 42005464263, 54007025481, 126016392789, 378049178367]

約数ペア:

[(1, 378049178367), (3, 126016392789), (7, 54007025481), (9, 42005464263), (21, 18002341827), (27, 14001821421), (63, 6000780609), (81, 4667273807), (189, 2000260203), (567, 666753401)]