168135681

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2741}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 269549568

約数和(自身を除く): 101413887

約数列:

[1, 3, 7, 21, 23, 69, 127, 161, 381, 483, 889, 2667, 2741, 2921, 8223, 8763, 19187, 20447, 57561, 61341, 63043, 189129, 348107, 441301, 1044321, 1323903, 2436749, 7310247, 8006461, 24019383, 56045227, 168135681]

約数ペア:

[(1, 168135681), (3, 56045227), (7, 24019383), (21, 8006461), (23, 7310247), (69, 2436749), (127, 1323903), (161, 1044321), (381, 441301), (483, 348107), (889, 189129), (2667, 63043), (2741, 61341), (2921, 57561), (8223, 20447), (8763, 19187)]