51493017

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 75081600

約数和(自身を除く): 23588583

約数列:

[1, 3, 17, 51, 59, 109, 157, 177, 327, 471, 1003, 1853, 2669, 3009, 5559, 6431, 8007, 9263, 17113, 19293, 27789, 51339, 109327, 157471, 290921, 327981, 472413, 872763, 1009667, 3029001, 17164339, 51493017]

約数ペア:

[(1, 51493017), (3, 17164339), (17, 3029001), (51, 1009667), (59, 872763), (109, 472413), (157, 327981), (177, 290921), (327, 157471), (471, 109327), (1003, 51339), (1853, 27789), (2669, 19293), (3009, 17113), (5559, 9263), (6431, 8007)]