19562121

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 32419200

約数和(自身を除く): 12857079

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 109, 153, 207, 289, 327, 391, 459, 621, 867, 981, 1173, 1853, 2507, 2601, 2943, 3519, 5559, 6647, 7521, 7803, 10557, 16677, 19941, 22563, 31501, 42619, 50031, 59823, 67689, 94503, 127857, 179469, 283509, 383571, 724523, 850527, 1150713, 2173569, 6520707, 19562121]

約数ペア:

[(1, 19562121), (3, 6520707), (9, 2173569), (17, 1150713), (23, 850527), (27, 724523), (51, 383571), (69, 283509), (109, 179469), (153, 127857), (207, 94503), (289, 67689), (327, 59823), (391, 50031), (459, 42619), (621, 31501), (867, 22563), (981, 19941), (1173, 16677), (1853, 10557), (2507, 7803), (2601, 7521), (2943, 6647), (3519, 5559)]