28971747

素因数分解:

$3^2\times 7^1\times {\mathrm{577}}^1\times {\mathrm{797}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 47969376

約数和(自身を除く): 18997629

約数列:

[1, 3, 7, 9, 21, 63, 577, 797, 1731, 2391, 4039, 5193, 5579, 7173, 12117, 16737, 36351, 50211, 459869, 1379607, 3219083, 4138821, 9657249, 28971747]

約数ペア:

[(1, 28971747), (3, 9657249), (7, 4138821), (9, 3219083), (21, 1379607), (63, 459869), (577, 50211), (797, 36351), (1731, 16737), (2391, 12117), (4039, 7173), (5193, 5579)]