1378566

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{521}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 3570480

約数和(自身を除く): 2191914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 521, 882, 1042, 1323, 1563, 2646, 3126, 3647, 4689, 7294, 9378, 10941, 14067, 21882, 25529, 28134, 32823, 51058, 65646, 76587, 98469, 153174, 196938, 229761, 459522, 689283, 1378566]

約数ペア:

[(1, 1378566), (2, 689283), (3, 459522), (6, 229761), (7, 196938), (9, 153174), (14, 98469), (18, 76587), (21, 65646), (27, 51058), (42, 32823), (49, 28134), (54, 25529), (63, 21882), (98, 14067), (126, 10941), (147, 9378), (189, 7294), (294, 4689), (378, 3647), (441, 3126), (521, 2646), (882, 1563), (1042, 1323)]