400018551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3881}}^1$

素因数の和:3991

約数の個数: 32

約数和(自身を含む): 590312448

約数和(自身を除く): 190293897

約数列:

[1, 3, 17, 43, 47, 51, 129, 141, 731, 799, 2021, 2193, 2397, 3881, 6063, 11643, 34357, 65977, 103071, 166883, 182407, 197931, 500649, 547221, 2837011, 3100919, 7843501, 8511033, 9302757, 23530503, 133339517, 400018551]

約数ペア:

[(1, 400018551), (3, 133339517), (17, 23530503), (43, 9302757), (47, 8511033), (51, 7843501), (129, 3100919), (141, 2837011), (731, 547221), (799, 500649), (2021, 197931), (2193, 182407), (2397, 166883), (3881, 103071), (6063, 65977), (11643, 34357)]