2162979

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 4076800

約数和(自身を除く): 1913821

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 139, 171, 247, 273, 399, 417, 741, 819, 973, 1197, 1251, 1729, 1807, 2223, 2641, 2919, 5187, 5421, 7923, 8757, 12649, 15561, 16263, 18487, 23769, 34333, 37947, 55461, 102999, 113841, 166383, 240331, 308997, 720993, 2162979]

約数ペア:

[(1, 2162979), (3, 720993), (7, 308997), (9, 240331), (13, 166383), (19, 113841), (21, 102999), (39, 55461), (57, 37947), (63, 34333), (91, 23769), (117, 18487), (133, 16263), (139, 15561), (171, 12649), (247, 8757), (273, 7923), (399, 5421), (417, 5187), (741, 2919), (819, 2641), (973, 2223), (1197, 1807), (1251, 1729)]