381231387

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1451}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 582658560

約数和(自身を除く): 201427173

約数列:

[1, 3, 9, 27, 37, 111, 263, 333, 789, 999, 1451, 2367, 4353, 7101, 9731, 13059, 29193, 39177, 53687, 87579, 161061, 262737, 381613, 483183, 1144839, 1449549, 3434517, 10303551, 14119681, 42359043, 127077129, 381231387]

約数ペア:

[(1, 381231387), (3, 127077129), (9, 42359043), (27, 14119681), (37, 10303551), (111, 3434517), (263, 1449549), (333, 1144839), (789, 483183), (999, 381613), (1451, 262737), (2367, 161061), (4353, 87579), (7101, 53687), (9731, 39177), (13059, 29193)]