331335927

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16561}}^1$

素因数の和:16605

約数の個数: 40

約数和(自身を含む): 561120560

約数和(自身を除く): 229784633

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 16561, 20007, 49683, 149049, 215293, 314659, 447147, 645879, 943977, 1341441, 1937637, 2831931, 4090567, 5812911, 8495793, 12271701, 17438733, 25487379, 36815103, 110445309, 331335927]

約数ペア:

[(1, 331335927), (3, 110445309), (9, 36815103), (13, 25487379), (19, 17438733), (27, 12271701), (39, 8495793), (57, 5812911), (81, 4090567), (117, 2831931), (171, 1937637), (247, 1341441), (351, 943977), (513, 645879), (741, 447147), (1053, 314659), (1539, 215293), (2223, 149049), (6669, 49683), (16561, 20007)]