51684723

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 80498880

約数和(自身を除く): 28814157

約数列:

[1, 3, 9, 27, 41, 79, 81, 123, 197, 237, 369, 591, 711, 1107, 1773, 2133, 3239, 3321, 5319, 6399, 8077, 9717, 15563, 15957, 24231, 29151, 46689, 72693, 87453, 140067, 218079, 262359, 420201, 638083, 654237, 1260603, 1914249, 5742747, 17228241, 51684723]

約数ペア:

[(1, 51684723), (3, 17228241), (9, 5742747), (27, 1914249), (41, 1260603), (79, 654237), (81, 638083), (123, 420201), (197, 262359), (237, 218079), (369, 140067), (591, 87453), (711, 72693), (1107, 46689), (1773, 29151), (2133, 24231), (3239, 15957), (3321, 15563), (5319, 9717), (6399, 8077)]