219892413

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 328608000

約数和(自身を除く): 108715587

約数列:

[1, 3, 13, 29, 39, 87, 199, 377, 597, 977, 1131, 2587, 2931, 5771, 7761, 12701, 17313, 28333, 38103, 75023, 84999, 194423, 225069, 368329, 583269, 1104987, 2527499, 5638267, 7582497, 16914801, 73297471, 219892413]

約数ペア:

[(1, 219892413), (3, 73297471), (13, 16914801), (29, 7582497), (39, 5638267), (87, 2527499), (199, 1104987), (377, 583269), (597, 368329), (977, 225069), (1131, 194423), (2587, 84999), (2931, 75023), (5771, 38103), (7761, 28333), (12701, 17313)]