409997241

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{12457}}^1$

素因数の和:12542

約数の個数: 32

約数和(自身を含む): 645822720

約数和(自身を除く): 235825479

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 1219, 1431, 3657, 10971, 12457, 32913, 37371, 112113, 286511, 336339, 660221, 859533, 1980663, 2578599, 5941989, 7735797, 15185083, 17825967, 45555249, 136665747, 409997241]

約数ペア:

[(1, 409997241), (3, 136665747), (9, 45555249), (23, 17825967), (27, 15185083), (53, 7735797), (69, 5941989), (159, 2578599), (207, 1980663), (477, 859533), (621, 660221), (1219, 336339), (1431, 286511), (3657, 112113), (10971, 37371), (12457, 32913)]