2180682

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{641}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 5608512

約数和(自身を除く): 3427830

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 641, 1134, 1282, 1701, 1923, 3402, 3846, 4487, 5769, 8974, 11538, 13461, 17307, 26922, 34614, 40383, 51921, 80766, 103842, 121149, 155763, 242298, 311526, 363447, 726894, 1090341, 2180682]

約数ペア:

[(1, 2180682), (2, 1090341), (3, 726894), (6, 363447), (7, 311526), (9, 242298), (14, 155763), (18, 121149), (21, 103842), (27, 80766), (42, 51921), (54, 40383), (63, 34614), (81, 26922), (126, 17307), (162, 13461), (189, 11538), (243, 8974), (378, 5769), (486, 4487), (567, 3846), (641, 3402), (1134, 1923), (1282, 1701)]